Re: [Elecraft] Microphone Setup Confusion

[Walter Underwood]

That link has some weird special characters stuck on the end of it. Not sure 
how that happened. This link works 
https://elecraft-kx.groups.io/g/main/message/9486 and is the link in the 
updated blog post.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 17, 2023, at 12:21 PM, Jay  wrote:
> 
> Walter,
> 
> Tried link. Got the following message:  That message number does not exist. 
> The message may have been deleted.
> 
> Maybe a digit missing on the message number?
> 
> 73
> Jay K3 BH
> 
> On Wed, May 17, 2023, at 11:51, Walter Underwood wrote:
>> Ah, found the original. groups.io   
>> did a really nice job of copying over the archives from Yahoo! Groups.
>> 
>> https://elecraft-kx.groups.io/g/main/message/9486 
>> 
>> wunder
>> K6WRU
>> Walter Underwood
>> CM87wj
>> http://observer.wunderwood.org/ (my blog)
>> 
>> 
>> > On May 17, 2023, at 8:44 AM, Walter Underwood > > > wrote:
>> > 
>> > Thanks, I’ll check the link. Ah, that is a link to the post on Yahoo! 
>> > Groups, but Yahoo! shut all that down and didn’t even leave the archives 
>> > live. Sigh. I’ll try and find it elsewhere.
>> > 
>> > It looks like I reposted his 2012 post in 2014, so maybe I’ll link to that.
>> > 
>> > https://elecraft-kx.groups.io/g/main/message/46148?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3Acreated%2C0%2Ckk7p+mic+bias%2C20%2C2%2C0%2C35006985
>> >  
>> > 
>> > 
>> > wunder
>> > K6WRU
>> > Walter Underwood
>> > CM87wj
>> > http://observer.wunderwood.org/ (my blog)
>> > 
>> >> On May 17, 2023, at 8:35 AM, Hank > >> > wrote:
>> >> 
>> >> I went back and re-read you article. I had made a setup for my KX3 a few 
>> >> years back and couldn’t remember all of the details. Thanks for 
>> >> reposting!!
>> >> 
>> >> BTW, Lyle’s article you mention, the link is dead. It was a great 
>> >> resource if you can find it again!
>> >> 
>> >> Thanks,
>> >> Hank
>> >> K4HYJ
>> >> 
>> >> 
>> >>> On May 17, 2023, at 12:07 AM, Walter Underwood > >>> > wrote:
>> >>> The mic bias is +3.3 V on the tip. On the KX3, there is also a logic 
>> >>> level DC voltage on the ring. This is not as clean as the mic bias and 
>> >>> can cause some noise on mics that short those. You can split out those 
>> >>> signals with a TRS plug or a stereo-to-mono splitter. See this blog post 
>> >>> (from me) for details.
>> >>> 
>> >>> https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/
>> >>> 
>> >>> Phantom power for studio mics is quite different.
>> >>> 
>> >>> wunder
>> >>> K6WRU
>> >>> Walter Underwood
>> >>> CM87wj
>> >>> http://observer.wunderwood.org/ (my blog)
>> >>> 
>>  On May 16, 2023, at 6:40 PM, Alan Geller via Elecraft 
>>  mailto:elecraft@mailman.qth.net>> wrote:
>>  
>>  Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks 
>>  Equivalent to the “48 volt ghost voltage” required for condenser mikes 
>>  et al
>>  In the broadcast and music industry ?
>>  
>>  It is mentioned that “mike bias” needs to to be turned on for condenser 
>>  type mikes
>>  But off for dynamic types which is also equivalent for the more common 
>>  Term  “48 volt ghost voltage”
>>  
>>  Thanks for any help
>>  
>>  Alan/K6ADG
>>  __
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>>  Message delivered to wun...@wunderwood.org 
>>  
>> >>> 
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Re: [Elecraft] Microphone Setup Confusion

[Walter Underwood]

Ah, found the original. groups.io  did a really nice job of 
copying over the archives from Yahoo! Groups.

https://elecraft-kx.groups.io/g/main/message/9486
wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)


> On May 17, 2023, at 8:44 AM, Walter Underwood  wrote:
> 
> Thanks, I’ll check the link. Ah, that is a link to the post on Yahoo! Groups, 
> but Yahoo! shut all that down and didn’t even leave the archives live. Sigh. 
> I’ll try and find it elsewhere.
> 
> It looks like I reposted his 2012 post in 2014, so maybe I’ll link to that.
> 
> https://elecraft-kx.groups.io/g/main/message/46148?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3Acreated%2C0%2Ckk7p+mic+bias%2C20%2C2%2C0%2C35006985
> 
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
>> On May 17, 2023, at 8:35 AM, Hank  wrote:
>> 
>> I went back and re-read you article. I had made a setup for my KX3 a few 
>> years back and couldn’t remember all of the details. Thanks for reposting!!
>> 
>> BTW, Lyle’s article you mention, the link is dead. It was a great resource 
>> if you can find it again!
>> 
>> Thanks,
>> Hank
>> K4HYJ
>> 
>> 
>>> On May 17, 2023, at 12:07 AM, Walter Underwood  
>>> wrote:
>>> The mic bias is +3.3 V on the tip. On the KX3, there is also a logic level 
>>> DC voltage on the ring. This is not as clean as the mic bias and can cause 
>>> some noise on mics that short those. You can split out those signals with a 
>>> TRS plug or a stereo-to-mono splitter. See this blog post (from me) for 
>>> details.
>>> 
>>> https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/
>>> 
>>> Phantom power for studio mics is quite different.
>>> 
>>> wunder
>>> K6WRU
>>> Walter Underwood
>>> CM87wj
>>> http://observer.wunderwood.org/ (my blog)
>>> 
 On May 16, 2023, at 6:40 PM, Alan Geller via Elecraft 
  wrote:
 
 Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks 
 Equivalent to the “48 volt ghost voltage” required for condenser mikes et 
 al
 In the broadcast and music industry ?
 
 It is mentioned that “mike bias” needs to to be turned on for condenser 
 type mikes
 But off for dynamic types which is also equivalent for the more common 
 Term  “48 volt ghost voltage”
 
 Thanks for any help
 
 Alan/K6ADG
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>>> 
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>> 
> 
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Re: [Elecraft] Microphone Setup Confusion

[Walter Underwood]

Thanks, I’ll check the link. Ah, that is a link to the post on Yahoo! Groups, 
but Yahoo! shut all that down and didn’t even leave the archives live. Sigh. 
I’ll try and find it elsewhere.

It looks like I reposted his 2012 post in 2014, so maybe I’ll link to that.

https://elecraft-kx.groups.io/g/main/message/46148?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3Acreated%2C0%2Ckk7p+mic+bias%2C20%2C2%2C0%2C35006985

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 17, 2023, at 8:35 AM, Hank  wrote:
> 
> I went back and re-read you article. I had made a setup for my KX3 a few 
> years back and couldn’t remember all of the details. Thanks for reposting!!
> 
> BTW, Lyle’s article you mention, the link is dead. It was a great resource if 
> you can find it again!
> 
> Thanks,
> Hank
> K4HYJ
> 
> 
>> On May 17, 2023, at 12:07 AM, Walter Underwood  wrote:
>> The mic bias is +3.3 V on the tip. On the KX3, there is also a logic level 
>> DC voltage on the ring. This is not as clean as the mic bias and can cause 
>> some noise on mics that short those. You can split out those signals with a 
>> TRS plug or a stereo-to-mono splitter. See this blog post (from me) for 
>> details.
>> 
>> https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/
>> 
>> Phantom power for studio mics is quite different.
>> 
>> wunder
>> K6WRU
>> Walter Underwood
>> CM87wj
>> http://observer.wunderwood.org/ (my blog)
>> 
>>> On May 16, 2023, at 6:40 PM, Alan Geller via Elecraft 
>>>  wrote:
>>> 
>>> Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks 
>>> Equivalent to the “48 volt ghost voltage” required for condenser mikes et al
>>> In the broadcast and music industry ?
>>> 
>>> It is mentioned that “mike bias” needs to to be turned on for condenser 
>>> type mikes
>>> But off for dynamic types which is also equivalent for the more common 
>>> Term  “48 volt ghost voltage”
>>> 
>>> Thanks for any help
>>> 
>>> Alan/K6ADG
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
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>>> 
>>> This list hosted by: http://www.qsl.net
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>>> Message delivered to wun...@wunderwood.org
>> 
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> 

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Re: [Elecraft] Microphone Setup Confusion

[Hank via Elecraft]

I went back and re-read you article. I had made a setup for my KX3 a few years 
back and couldn’t remember all of the details. Thanks for reposting!!

BTW, Lyle’s article you mention, the link is dead. It was a great resource if 
you can find it again!

Thanks,
Hank
K4HYJ


> On May 17, 2023, at 12:07 AM, Walter Underwood  wrote:
> The mic bias is +3.3 V on the tip. On the KX3, there is also a logic level 
> DC voltage on the ring. This is not as clean as the mic bias and can cause 
> some noise on mics that short those. You can split out those signals with a 
> TRS plug or a stereo-to-mono splitter. See this blog post (from me) for 
> details.
> 
> https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/
> 
> Phantom power for studio mics is quite different.
> 
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
>> On May 16, 2023, at 6:40 PM, Alan Geller via Elecraft 
>>  wrote:
>> 
>> Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks 
>> Equivalent to the “48 volt ghost voltage” required for condenser mikes et al
>> In the broadcast and music industry ?
>> 
>> It is mentioned that “mike bias” needs to to be turned on for condenser type 
>> mikes
>> But off for dynamic types which is also equivalent for the more common 
>> Term  “48 volt ghost voltage”
>> 
>> Thanks for any help
>> 
>> Alan/K6ADG
>> __
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>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to wun...@wunderwood.org
> 
> __
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Re: [Elecraft] Microphone Setup Confusion

[Jim Brown]

On 5/16/2023 6:40 PM, Alan Geller via Elecraft wrote:

Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks
Equivalent to the “48 volt ghost voltage” required for condenser mikes et al
In the broadcast and music industry ?


Yes, both provide power for active electronics that boost the mic 
element's output and make an impedance transformation (the mic element 
is VERY high Z) to drive the mic preamp (in the case of the unbalanced 
mics used in ham radio), or to drive a long length of cable (for 
balanced pro mics).


The two systems are very different though -- the bias circuitry used for 
unbalanced electret mic elements won't work for balanced pro mics, and 
the "phantom power," a positive DC voltage applied equally to both sides 
of the balanced cable (pins 2 and 3) with negative to the cable shield 
(pin 1) won't work with unbalanced electret elements. Those pro mics 
have a gain stage and low-Z balanced line driver built into them, which 
operates from phantom power.


Indeed, there are unbalanced, capsule-only versions of miniature pro 
mics that are used with wireless mics, using the same unbalanced "bias" 
method we use in ham radio, and the bias is provided by the wireless 
transmitter. This is what you're seeing with clip-on mics worn by on-air 
people, and by musicians with clip-on mics.


73, Jim K9YC
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Re: [Elecraft] Microphone Setup Confusion

[Walter Underwood]

The mic bias is +3.3 V on the tip. On the KX3, there is also a logic level DC 
voltage on the ring. This is not as clean as the mic bias and can cause some 
noise on mics that short those. You can split out those signals with a TRS plug 
or a stereo-to-mono splitter. See this blog post (from me) for details.

https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/

Phantom power for studio mics is quite different.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 16, 2023, at 6:40 PM, Alan Geller via Elecraft 
>  wrote:
> 
> Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks 
> Equivalent to the “48 volt ghost voltage” required for condenser mikes et al
> In the broadcast and music industry ?
> 
> It is mentioned that “mike bias” needs to to be turned on for condenser type 
> mikes
> But off for dynamic types which is also equivalent for the more common 
> Term  “48 volt ghost voltage”
> 
> Thanks for any help
> 
> Alan/K6ADG
> __
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> Message delivered to wun...@wunderwood.org

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Re: [Elecraft] Microphone Setup Confusion

[john]

Bias is a much lower voltage than phantom power.

John KK9A

Alan Geller K6ADG

Is what Elecraft calls mike "bias" in the K3 and K3s Owners handbooks 
Equivalent to the "48 volt ghost voltage" required for condenser mikes et al
In the broadcast and music industry ?

It is mentioned that "mike bias" needs to to be turned on for condenser type
mikes
But off for dynamic types which is also equivalent for the more common 
Term  "48 volt ghost voltage"

Thanks for any help

Alan/K6ADG

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Re: [Elecraft] Microphone Setup Confusion

[Fred Jensen]

No. "Elecraft bias" is a low voltage applied to electret mics.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

Alan Geller via Elecraft wrote on 5/16/2023 6:40 PM:

Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks
Equivalent to the “48 volt ghost voltage” required for condenser mikes et al
In the broadcast and music industry ?

It is mentioned that “mike bias” needs to to be turned on for condenser type 
mikes
But off for dynamic types which is also equivalent for the more common
Term  “48 volt ghost voltage”

Thanks for any help

Alan/K6ADG
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[Elecraft] Microphone Setup Confusion

[Alan Geller via Elecraft]

Is what Elecraft calls mike “bias” in the K3 and K3s Owners handbooks 
Equivalent to the “48 volt ghost voltage” required for condenser mikes et al
In the broadcast and music industry ?

It is mentioned that “mike bias” needs to to be turned on for condenser type 
mikes
But off for dynamic types which is also equivalent for the more common 
Term  “48 volt ghost voltage”

Thanks for any help

Alan/K6ADG
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[Elecraft] Microphone for kx3

[John Pierce via Elecraft]

I have a heil PR30 microphone I would like to use with a KX3.  Is this
dymanic mike useable without a preamp, or do I need a preamp?

 

John, AD2F

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Re: [Elecraft] Microphone Jack Cover

[Lyn Norstad]

I especially like the covers with chains.  Tough to make those on a 3d
printer.

73
Lyn, W0LEN



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil Kane
Sent: Tuesday, May 11, 2021 1:16 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Microphone Jack Cover

On 5/10/2021 1:57 PM, PATRICK HICKS wrote:

> I made several covers from discarded PL239 shells left from replacing old
connectors. Simply cut the shell down above the knurled area and glue or
solder a plate in the hole. This was before 3D printing was widely
available.

If I recall, covers for SO-239 sockets are available commercially with a 
little searching. Here are three examples:

<https://www.hamradio.com/detail.cfm?pid=H0-011331>

<https://www.hamradio.com/detail.cfm?pid=H0-010844>

<https://www.amazon.com/CablesOnline-2-Pack-Protective-Covers-RF-UND3-2/dp/B
081DCJ136/ref=sr_1_15?dchild=1=so-239+cap=1620755738=8-15>

Much as I love building and scrounging, sometimes buying is more direct 
and timely, especially when, like myself, one does not have shop 
facilities or a decent workbench to make stuff any more.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

 From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon

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Re: [Elecraft] Microphone Jack Cover

[Phil Kane]

On 5/10/2021 1:57 PM, PATRICK HICKS wrote:


I made several covers from discarded PL239 shells left from replacing old 
connectors. Simply cut the shell down above the knurled area and glue or solder 
a plate in the hole. This was before 3D printing was widely available.


If I recall, covers for SO-239 sockets are available commercially with a 
little searching. Here are three examples:








Much as I love building and scrounging, sometimes buying is more direct 
and timely, especially when, like myself, one does not have shop 
facilities or a decent workbench to make stuff any more.


73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon

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Re: [Elecraft] Microphone Jack Cover

[Gwen Patton]

I think the assumption is that if it's a portable radio (such as the KX3)
or a radio that's made sort of portable by putting it in a crash case and
taking it on a DXPedition (such as the various flavors of K3), that maybe
somewhere along the way an albatross might leave a deposit on the threads
or something.

I've got a 3d printer. I used it a bunch a year ago. Now, the only thing
that keeps it from becoming a coat rack is that it's nowhere near where the
coats are. Not because I don't see good uses for it -- heaven forfend! --
but I simply don't have the energy to putter around with it! I've got all
the cool software, I've played around with the various slicers and splicers
and modelers (oh, my!) and I find that I simply don't have the spoons to
deal with the thing very often, much as I would like to. I'm not as good at
modeling as I thought I was -- back in the old ray-tracing days I did okay
-- but the current crop of tools (Great Ghu on a pogo stick, don't get me
started on how much of a pain in the tuchis Blender is!) can be a kilometer
the other side of too damn much. And just as soon as I start getting the
hang of a tool, the company that makes it changes their (dingbatted,
expurgated, censored) licensing for the program and suddenly I can't afford
to use it. (I'm looking at YOU, Fusion 360!) So now I'm back to Tinkercad
and trying to make sense out of AC3D to see if it'll serve (I think it
will, last time I had the energy to look at it). I've got lots of ideas for
stuff to make, and could even see myself making a 3d printer project for
the key socket adapter box I made someday.

It's a nice little box that consolidates the key sockets in one place, and
the same kind of connectors, instead of one kind on the left side of my KX3
and another, totally-incompatible with anything but the Elecraft paddle on
the bottom. I have 4 TRS sockets, two of which are set up for Paddle and
run to a jumper cable into the left side key socket, and two of which
connect to the bottom 2x2 header and are set for Hand Key. I used the
paddle screws for the bottom connector to hold the box to the bottom of the
radio, where it fits very neatly. If I want to plug in a straight key, I
use one of the two right-hand sockets. If I want to connect a paddle, it
goes into one of the sockets on the right. I get an extra socket for each
type as well. Right now, I have my Torsion Bar Cootie Paddle plugged into
it on the "Paddle" side, but if I want it to be a Cootie, I just move it to
the jacks on the right -- they're pre-jumpered to serve for a Cootie,
straight key, or bug. Very convenient!  But I digress...

The whole "cover up the ports so they don't get filled with schmutz"
concept is a good one IF you take the radio where there be schmutz. My KX3
is on a RAM mount clamped to the wire "bread" rack next to my recliner, the
PX3 right above it. I used SideFX mounts, so I can unclip the radio and/or
Panadapter at any time...if I want to hurt myself, as that (more dingbats,
expurgations, and censoriousness) polycarbonate stuff is STIFF, and my
fingers aren't what they used to be. So the KX3 stays in the house and the
cheaper and less-dear IQ32 or other kit built rigs go with me to the park.
Or DID go with me to the park...we'll see if I'm able to do that any more
once it warms up a bit more and stops raining every 43.5 minutes out of
nowhere. The lockdowns really messed up my ability to get any meaningful
exercise, and I find it hard to do a whole heck of a lot of walking these
days.

-=-=-=-=-=-=-=-=-
73,
Gwen, NG3P


On Mon, May 10, 2021 at 1:53 PM Jim Brown  wrote:

> I don't understand the need to have a cover for an unused jack that's
> not outside, exposed to the elements.
>
> 73, Jim K9YC
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[Elecraft] Microphone Jack Cover

[PATRICK HICKS]

I made several covers from discarded PL239 shells left from replacing old 
connectors. Simply cut the shell down above the knurled area and glue or solder 
a plate in the hole. This was before 3D printing was widely available.

73,
PJH, N7PH
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Re: [Elecraft] Microphone Jack Cover

[Jim Brown]

I don't understand the need to have a cover for an unused jack that's 
not outside, exposed to the elements.


73, Jim K9YC
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Re: [Elecraft] Microphone Jack Cover

[David Christ]

Sorry you felt it was unduly negative.  Written language is poor at 
transmitting nuance.  If I had such a printer I might consider making a cover.  
But I don’t and I too  live in a less populated area and the closest person I 
know who has a printer is in Arizona.  I am long retired and soon will need to 
be moving out of my house.  I have no professional reason to support the 
purchase of a 3D printer and before long I would be needing to get rid of it 
anyway.  So for me the obvious choice is to buy a cover.  And I prefer chrome 
anyway.

I think my question of why is legitimate and was answered satisfactorily by 
W0EB in a private email.  I will admit that my comment on 3D printers may have 
seemed a bit harsh.  However, I don’t see them as common as he does (it would 
be interesting to know what percentage of hams have one) and examining my own 
life, short of having a business that supports one, I find it hard to see the 
economic value for the average ham to have one.  My lack of Ideas does not mean 
there are not compelling uses.  In fact I would love to hear from other hams as 
to how they have found a 3D printer useful especially for problems for which no 
other solution is available.

Again sorry if you felt offended.

Peace

73

David K0LUM

> On May 10, 2021, at 11:44 AM, KJ7SOY  wrote:
> 
> I think that’s a bit of a negative viewpoint. Here’s another approach:
> 
> I have a 3-D printer. I don’t need to justify the fact that I have it.  I use 
> it daily, most often multiple times a day, both personally and 
> professionally. It’s always here and always available, I always have filament 
> for it, and it can produce a cap much faster than getting one shipped to me 
> since I live rurally and there’s nowhere local to buy one. Why shouldn’t I 
> simply print one since I already have the printer?
> 
> 73
> -Adrian
> KJ7SOY
> 
> 
>> On May 10, 2021, at 9:31 AM, David Christ  wrote:
>> 
>> Why go to the trouble?  Metal and plastic caps for SO-239 are available all 
>> over for a small price.
>> 
>> The only reason I can see to 3D print it is because one wants to justify 
>> having the printer
>> 
>> David K0LUM
>> 
>>> On May 10, 2021, at 10:20 AM, Jim Sheldon  wrote:
>>> 
>>> Just found a really nice looking SO-239 cover design for 3D printing on 
>>> Thingiverse.com.  https://www.thingiverse.com/thing:4854560  It just so 
>>> happens to fit the threads on the 8 pin microphone jack used on the K3, and 
>>> many other radios.
>>> 
>>> For those like myself who operate 99 percent CW and don't even keep a 
>>> microphone connected to their K2, K3, K3S, K4, etc, this is a useful item 
>>> to protect both the outer threads of the jack and keep crud from entering 
>>> the pin area.
>>> 
>>> With the proliferation of 3D printers in many ham workshops these days, if 
>>> you don't have one, it should be relatively easy to find someone who has.
>>> 
>>> Jim Sheldon, W0EB
>>> 
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>> 
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Re: [Elecraft] Microphone Jack Cover

[Julia Tuttle]

Yeah, it's semi-instant gratification.

It probably also saves money because you're not paying shipping or retail
markup.

It might also save some carbon emissions depending on how frequently your
delivery folks come by, if that's something that concerns you.

But please do not discount that "3D printers are cool" is a valid reason to
own and use one!

On Mon, May 10, 2021, 12:46 KJ7SOY  wrote:

> I think that’s a bit of a negative viewpoint. Here’s another approach:
>
> I have a 3-D printer. I don’t need to justify the fact that I have it.  I
> use it daily, most often multiple times a day, both personally and
> professionally. It’s always here and always available, I always have
> filament for it, and it can produce a cap much faster than getting one
> shipped to me since I live rurally and there’s nowhere local to buy one.
> Why shouldn’t I simply print one since I already have the printer?
>
> 73
> -Adrian
> KJ7SOY
>
>
> > On May 10, 2021, at 9:31 AM, David Christ  wrote:
> >
> > Why go to the trouble?  Metal and plastic caps for SO-239 are available
> all over for a small price.
> >
> > The only reason I can see to 3D print it is because one wants to justify
> having the printer
> >
> > David K0LUM
> >
> >> On May 10, 2021, at 10:20 AM, Jim Sheldon  wrote:
> >>
> >> Just found a really nice looking SO-239 cover design for 3D printing on
> Thingiverse.com.  https://www.thingiverse.com/thing:4854560  It just so
> happens to fit the threads on the 8 pin microphone jack used on the K3, and
> many other radios.
> >>
> >> For those like myself who operate 99 percent CW and don't even keep a
> microphone connected to their K2, K3, K3S, K4, etc, this is a useful item
> to protect both the outer threads of the jack and keep crud from entering
> the pin area.
> >>
> >> With the proliferation of 3D printers in many ham workshops these days,
> if you don't have one, it should be relatively easy to find someone who has.
> >>
> >> Jim Sheldon, W0EB
> >>
> >> __
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Re: [Elecraft] Microphone Jack Cover

[Dave Cole]

Why not use a metal cap from American Radio Supply?  See:

https://www.americanradiosupply.com/microphone-connector-cap-dust-cover-most-all-ham-radio-transceivers/

fits the mic connector on the front of the rig.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 5/10/21 9:29 AM, David Christ wrote:

Why go to the trouble?  Metal and plastic caps for SO-239 are available all 
over for a small price.

The only reason I can see to 3D print it is because one wants to justify having 
the printer

David K0LUM


On May 10, 2021, at 10:20 AM, Jim Sheldon  wrote:

Just found a really nice looking SO-239 cover design for 3D printing on 
Thingiverse.com.  https://www.thingiverse.com/thing:4854560  It just so happens 
to fit the threads on the 8 pin microphone jack used on the K3, and many other 
radios.

For those like myself who operate 99 percent CW and don't even keep a 
microphone connected to their K2, K3, K3S, K4, etc, this is a useful item to 
protect both the outer threads of the jack and keep crud from entering the pin 
area.

With the proliferation of 3D printers in many ham workshops these days, if you 
don't have one, it should be relatively easy to find someone who has.

Jim Sheldon, W0EB

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Re: [Elecraft] Microphone Jack Cover

[KJ7SOY]

I think that’s a bit of a negative viewpoint. Here’s another approach:

I have a 3-D printer. I don’t need to justify the fact that I have it.  I use 
it daily, most often multiple times a day, both personally and professionally. 
It’s always here and always available, I always have filament for it, and it 
can produce a cap much faster than getting one shipped to me since I live 
rurally and there’s nowhere local to buy one. Why shouldn’t I simply print one 
since I already have the printer?

73
-Adrian
KJ7SOY


> On May 10, 2021, at 9:31 AM, David Christ  wrote:
> 
> Why go to the trouble?  Metal and plastic caps for SO-239 are available all 
> over for a small price.
> 
> The only reason I can see to 3D print it is because one wants to justify 
> having the printer
> 
> David K0LUM
> 
>> On May 10, 2021, at 10:20 AM, Jim Sheldon  wrote:
>> 
>> Just found a really nice looking SO-239 cover design for 3D printing on 
>> Thingiverse.com.  https://www.thingiverse.com/thing:4854560  It just so 
>> happens to fit the threads on the 8 pin microphone jack used on the K3, and 
>> many other radios.
>> 
>> For those like myself who operate 99 percent CW and don't even keep a 
>> microphone connected to their K2, K3, K3S, K4, etc, this is a useful item to 
>> protect both the outer threads of the jack and keep crud from entering the 
>> pin area.
>> 
>> With the proliferation of 3D printers in many ham workshops these days, if 
>> you don't have one, it should be relatively easy to find someone who has.
>> 
>> Jim Sheldon, W0EB
>> 
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Re: [Elecraft] Microphone Jack Cover

[David Christ]

Why go to the trouble?  Metal and plastic caps for SO-239 are available all 
over for a small price.

The only reason I can see to 3D print it is because one wants to justify having 
the printer

David K0LUM

> On May 10, 2021, at 10:20 AM, Jim Sheldon  wrote:
> 
> Just found a really nice looking SO-239 cover design for 3D printing on 
> Thingiverse.com.  https://www.thingiverse.com/thing:4854560  It just so 
> happens to fit the threads on the 8 pin microphone jack used on the K3, and 
> many other radios.
> 
> For those like myself who operate 99 percent CW and don't even keep a 
> microphone connected to their K2, K3, K3S, K4, etc, this is a useful item to 
> protect both the outer threads of the jack and keep crud from entering the 
> pin area.
> 
> With the proliferation of 3D printers in many ham workshops these days, if 
> you don't have one, it should be relatively easy to find someone who has.
> 
> Jim Sheldon, W0EB
> 
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[Elecraft] Microphone Jack Cover

[Jim Sheldon]

Just found a really nice looking SO-239 cover design for 3D printing on 
Thingiverse.com.  https://www.thingiverse.com/thing:4854560  It just so happens 
to fit the threads on the 8 pin microphone jack used on the K3, and many other 
radios.

For those like myself who operate 99 percent CW and don't even keep a 
microphone connected to their K2, K3, K3S, K4, etc, this is a useful item to 
protect both the outer threads of the jack and keep crud from entering the pin 
area.

With the proliferation of 3D printers in many ham workshops these days, if you 
don't have one, it should be relatively easy to find someone who has.

Jim Sheldon, W0EB

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[Elecraft] Microphone

[Bob Daniels]

Looking for a mini microphone compatible with the KX2? Any suggestions?
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Re: [Elecraft] Microphone in 12 Watts

[john]

What is KPA3 set to in your K3S?Perhaps your 100w amp (if one is installed) 
is bypassed.

 

John KK9A

 

From: German Duran [mailto:hk3j...@gmail.com] 
Sent: Sunday, June 24, 2018 12:50 PM
To: j...@kk9a.com
Subject: Re: [Elecraft] Microphone in 12 Watts

 

My problem is that my transceiver does not have 100 Watts. It only reaches 12 W 
maximum on the PWR knob. You say "make sure that it is turned on in

the menu. "I ask" turned on in the menu "where ??

German HK3J

 

El dom., 24 jun. 2018 a las 11:00,  escribió:

If the transceiver has the 100 watt amp, make sure that it is turned on in
the menu.

John KK9A

German Duran hk3j wrote: 

Dear friends:
When I did resetting of my Elecraft K3s, the microphone is fixed at 12 W.
How do I make the microphone increase the power? Thank you.
Germán HK3J

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[Elecraft] Microphone in 12 Watts

[john]

If the transceiver has the 100 watt amp, make sure that it is turned on in
the menu.

John KK9A

German Duran hk3j wrote: 

Dear friends:
When I did resetting of my Elecraft K3s, the microphone is fixed at 12 W.
How do I make the microphone increase the power? Thank you.
Germán HK3J

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Re: [Elecraft] Microphone in 12 Watts

[Bill Johnson]

German,

Use the power control to the right of it.  That is, once you have set up the 
gain, AGC, etc. for the mic.  It is in the manual, but if you don't have a 
copy, download from Elecraft site.

73,
Bill
K9YEQ

https://wrj-tech.com/

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of German Duran
Sent: Saturday, June 23, 2018 5:11 PM
To: Elecraft Reflector 
Subject: [Elecraft] Microphone in 12 Watts

Dear friends:
When I did resetting of my Elecraft K3s, the microphone is fixed at 12 W.
How do I make the microphone increase the power? Thank you.
Germán HK3J
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[Elecraft] Microphone in 12 Watts

[German Duran]

Dear friends:
When I did resetting of my Elecraft K3s, the microphone is fixed at 12 W.
How do I make the microphone increase the power? Thank you.
Germán HK3J
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Re: [Elecraft] Microphone

[Bill]

The point is: Using most any mic - from $10.99 to $500.00 - because it 
is all in the way you set up the K3(S).


Want a really super looking broadcast mic? Buy a $3 electret module and 
build a mic case to suit your visual dreams. Plastic, PVC, wood, resin, 
and IMAGINATION - and you rule!


Bill W2BLC
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Re: [Elecraft] Microphone

[Richard Lamont]

On 13/10/16 20:40, Arie Kleingeld PA3A wrote:

> As far as mic-audio is concerned: how much hi-fi can you put through a
> 2.5kHz bandwidth SSB signal?

Not much. But there's more to microphone quality than frequency response.

1. Plosives. Will the mic handle poppy 'p' sounds without overloading?

2. Directionality. Is it directional? If not, you'll get more shack
reverberation, fan noise and reflections from the desk (causing comb
filter notches in the response).

3. Proximity effect. Will the mic increase LF as you get closer to it?
If it's directional, yes it will, unless it's one of the Electro-Voice
Variable-D types or similar. Omnis don't have proximity effect.

4. Handling noise. If hand-held, how much unwanted noise is generated as
you move around?

5. Screening. Is it adequately screened? If not, it may be more prone to
RF feedback.


73,
Richard G4DYA
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[Elecraft] Microphone

[Johnny Siu via Elecraft]

In fact, I find modern transceivers including K3 are very accommodating to 
microphones. Professional broadcasting microphone is simply over killed for ham 
purposes.  Sometimes, just a bit experiment, even with computer headset, you 
will get good results.
I sold all my Heil gears such as PR781.  I am now using CM500 and a few low 
cost mics.  I am not saying Heil is no good but too overkill for ham radio.
73
Johnny VR2XMC

  寄件人︰ Jim Brown <j...@audiosystemsgroup.com>
 收件人︰ 
副本(CC)︰ elecraft@mailman.qth.net
 傳送日期︰ 2016年10月14日 (週五) 11:24 AM
 主題︰ Re: [Elecraft] Microphone
   
On Thu,10/13/2016 1:18 PM, Michael Wong wrote:
> I’m still more of an audio professional than an accomplished ham, so I’ll ask 
> while the thread is hot - why does ham gear use non-standard interconnects? 
> Why don't Elecraft and others move to 3-pin XLR?
Two very good reasons -- panel real estate and the lack of NEED for pro 
mics.  optimum SSB bandwidth for communications is 500 Hz - 3 kHz. All 
that low end does is suck TX power with no intelligibility gain.

Virtually any ubalanced electret capsule or dynamic mic works very well 
with ham gear and sounds great. There is no need for pro mics with ham 
gear, and they cost a lot more than commonly used ham mics that sound 
quite good. All you need to run the electret is bias, which is applied 
to the mic output, about 8V through about 6K. Neither value is critical. 
This is exactly what we do for the lav capsules that are used with 
wireless mics.

> Honestly, the bottom of my mic cabinet is probably overkill for ham, but the 
> fact I have to get (or make) a custom adapter for even my least expensive mic 
> irks me.

I was in the same position 12 years ago when I got back on the air, and 
made a simple adapter to use an RE16 because I didn't own a ham mic. I 
continued to use it (on an AKG boom stand) until W6XU found and promoted 
the CM500.

73, Jim K9YC


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Re: [Elecraft] Microphone

[Jim Brown]

On Thu,10/13/2016 1:18 PM, Michael Wong wrote:

I’m still more of an audio professional than an accomplished ham, so I’ll ask 
while the thread is hot - why does ham gear use non-standard interconnects? Why 
don't Elecraft and others move to 3-pin XLR?
Two very good reasons -- panel real estate and the lack of NEED for pro 
mics.  optimum SSB bandwidth for communications is 500 Hz - 3 kHz. All 
that low end does is suck TX power with no intelligibility gain.


Virtually any ubalanced electret capsule or dynamic mic works very well 
with ham gear and sounds great. There is no need for pro mics with ham 
gear, and they cost a lot more than commonly used ham mics that sound 
quite good. All you need to run the electret is bias, which is applied 
to the mic output, about 8V through about 6K. Neither value is critical. 
This is exactly what we do for the lav capsules that are used with 
wireless mics.



Honestly, the bottom of my mic cabinet is probably overkill for ham, but the 
fact I have to get (or make) a custom adapter for even my least expensive mic 
irks me.


I was in the same position 12 years ago when I got back on the air, and 
made a simple adapter to use an RE16 because I didn't own a ham mic. I 
continued to use it (on an AKG boom stand) until W6XU found and promoted 
the CM500.


73, Jim K9YC


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Re: [Elecraft] Microphone

[Ron D'Eau Claire]

As an aside, the 3 kHz peak goes back well before SSB was popular. It was
determined to be the optimum peak response for communications. For example,
the famous D-104 with its original crystal element from the early 1930's
featured just that peak. 

As others mentioned, any electret element sold today has a frequency
response far better than any communications circuit can use. For example, I
have a $4.00 Radio Shack electret element that is flat from 70 Hz to over 10
kHz. 

Of course, any decent SSB rig will limit the audio bandwidth to between 300
Hz and about 2.7 kHz. If you are really serious about getting the boost
around 3 kHz an Elecraft K3, K3S or KX3 can have the Tx equalizer set up to
provide that for you. 

73, Ron AC7AC

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Re: [Elecraft] Microphone

[ab2tc]

Hi Jim,

Gee Jim, I don't quite understand what your point is. You and I have always
been agreeing that the use of professional audio microphones and other
equipment for communications is not only a huge waste of money but also a
big inconvenience; 3-pin XL is not a convenient connector for ham radio use.
Who cares what PA and sound enforcement equipment equipment is using for a
microphone connector.

AB2TC - Knut


Jim Brown-10 wrote
> On Thu,10/13/2016 3:29 PM, Joe Subich, W4TV wrote:
>> Only broadcast and recording gear use balanced inputs with or without
>> high voltage phantom power for condenser mics.  Even general purpose
>> public address systems tend to use unbalanced mic connections.
> 
> WRONG -- virtually all modern PA and sound reinforcement systems have 
> used 3-pin XL connectors for more than 50 years. The exceptions are VERY 
> CHEAP junk sold by places like Radio Shack, and those built into 
> security systems. Most musical instrument amps have only unbalanced 
> inputs. Back in the '70s, I was maintaining lots of paging systems 
> professionally installed paging systems that used balanced mics and 
> balanced wiring exclusively, and many of them had been in service for 20 
> years. I don't remember ever working on a PA system that used unbalanced 
> mics except as lavalier mics connected to a wireless mic transmitter.
> 
> Communications mics made by companies like Shure, EV, and Turner 
> were/are made with output transformers that matched them to balanced 
> low-Z inputs for use in professional systems and unbalanced hi-Z for use 
> with ham radio, and PTT switches that can either be wired to key a 
> transmitter or short/open the audio path. The Shure 444 is a great 
> example -- the response is carefully tailored to roll off the low end 
> and add a strong peak around 3 kHz to compensate the rolloff of the TX 
> SSB filter. This response also works well for paging.
> 
> 73, Jim K9YC
> 
> 
> 
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Re: [Elecraft] Microphone

[Jim Brown]

On Thu,10/13/2016 3:29 PM, Joe Subich, W4TV wrote:

Only broadcast and recording gear use balanced inputs with or without
high voltage phantom power for condenser mics.  Even general purpose
public address systems tend to use unbalanced mic connections.


WRONG -- virtually all modern PA and sound reinforcement systems have 
used 3-pin XL connectors for more than 50 years. The exceptions are VERY 
CHEAP junk sold by places like Radio Shack, and those built into 
security systems. Most musical instrument amps have only unbalanced 
inputs. Back in the '70s, I was maintaining lots of paging systems 
professionally installed paging systems that used balanced mics and 
balanced wiring exclusively, and many of them had been in service for 20 
years. I don't remember ever working on a PA system that used unbalanced 
mics except as lavalier mics connected to a wireless mic transmitter.


Communications mics made by companies like Shure, EV, and Turner 
were/are made with output transformers that matched them to balanced 
low-Z inputs for use in professional systems and unbalanced hi-Z for use 
with ham radio, and PTT switches that can either be wired to key a 
transmitter or short/open the audio path. The Shure 444 is a great 
example -- the response is carefully tailored to roll off the low end 
and add a strong peak around 3 kHz to compensate the rolloff of the TX 
SSB filter. This response also works well for paging.


73, Jim K9YC



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Re: [Elecraft] Microphone

[Bill Steffey NY9H]

anyway do note that perusing Digikey & Mouser you will have a hard time finding
ANY electret from the worlds electret makers ,,, that exceeds 
5$  ..(.5 for 3$ )

except knowles a chicago based mfg of tiny mic elements.
the cabinet /enclosure mic body, cable & windsreen add up ...
so make your own  take an old mic  insert electret

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Re: [Elecraft] Microphone

[Rich]

Did not one of the Yaesu rigs have an balanced XLR connector?   I had 
this exact conversation with Bob Heil at Dayton a few years back


Rich

K3RWN


On 10/13/2016 18:29 PM, Joe Subich, W4TV wrote:


> why does ham gear use non-standard interconnects?

Ham gear does not use "non-standard interconnects."  Nearly every
*communications* device ever made uses an unbalanced audio (mic)
input - whether is be the old tube gear with their high impedance
(think D-104 or Shure-444) mics or modern solid state gear with
the low impedance inputs.

Only broadcast and recording gear use balanced inputs with or without
high voltage phantom power for condenser mics.  Even general purpose
public address systems tend to use unbalanced mic connections.

73,

   ... Joe, W4TV


On 10/13/2016 4:18 PM, Michael Wong wrote:
I’m still more of an audio professional than an accomplished ham, so 
I’ll ask while the thread is hot - why does ham gear use non-standard 
interconnects? Why don't Elecraft and others move to 3-pin XLR? 
Honestly, the bottom of my mic cabinet is probably overkill for ham, 
but the fact I have to get (or make) a custom adapter for even my 
least expensive mic irks me.



On Oct 13, 2016, at 1:01 PM, Jim Brown  
wrote:


The CM500 is the clear winner -- great sounding mic, great sounding 
headphones are very comfortable.  As a retired pro recording 
engineer, I own several dozen excellent mics. Anything more 
expensive that the CM500 is a waste of money. The EV RE320 someone 
suggested is a nice mic for broadcast work, but gross overkill for a 
ham station.


73, Jim K9YC

On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:


I never bought any handmic. But I own several headsets, a $4,50 
plastic one (has a good mic), a Yamaha CM500 ($45, many K3 owners 
have that one, good mic) and a david clark aviation headset 
(several hundreds of dollars, good mic).


The difference is in the ears of the headsets,




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Re: [Elecraft] Microphone

[Lynn W. Taylor, WB6UUT]

On 10/13/2016 1:18 PM, Michael Wong wrote:

why does ham gear use non-standard interconnects?

The nice thing about standards is that there are so many to choose from.
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Re: [Elecraft] Microphone

[Al Lorona]

The use of professional broadcasting and recording microphones is totally 
ridiculous overkill for ham radio application. On the air, these mics are 
indistinguishable from much cheaper units, if everything's adjusted properly. A 
ham who spends more than $75 on a mic because he feels he needs to to sound 
good is misinformed.
However, one factor at play here may be the pride of sitting behind a big name 
mic as you transmit. I'm not going to take that away from any ham who wants 
that experience. Just don't claim that it makes you *sound* any better. It 
doesn't.
R,
Al  W6LX

    
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Re: [Elecraft] Microphone

[Joe Subich, W4TV]

> why does ham gear use non-standard interconnects?

Ham gear does not use "non-standard interconnects."  Nearly every
*communications* device ever made uses an unbalanced audio (mic)
input - whether is be the old tube gear with their high impedance
(think D-104 or Shure-444) mics or modern solid state gear with
the low impedance inputs.

Only broadcast and recording gear use balanced inputs with or without
high voltage phantom power for condenser mics.  Even general purpose
public address systems tend to use unbalanced mic connections.

73,

   ... Joe, W4TV


On 10/13/2016 4:18 PM, Michael Wong wrote:

I’m still more of an audio professional than an accomplished ham, so I’ll ask 
while the thread is hot - why does ham gear use non-standard interconnects? Why 
don't Elecraft and others move to 3-pin XLR? Honestly, the bottom of my mic 
cabinet is probably overkill for ham, but the fact I have to get (or make) a 
custom adapter for even my least expensive mic irks me.



On Oct 13, 2016, at 1:01 PM, Jim Brown  wrote:

The CM500 is the clear winner -- great sounding mic, great sounding headphones 
are very comfortable.  As a retired pro recording engineer, I own several dozen 
excellent mics. Anything more expensive that the CM500 is a waste of money. The 
EV RE320 someone suggested is a nice mic for broadcast work, but gross overkill 
for a ham station.

73, Jim K9YC

On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:


I never bought any handmic. But I own several headsets, a $4,50 plastic one 
(has a good mic), a Yamaha CM500 ($45, many K3 owners have that one, good mic) 
and a david clark aviation headset (several hundreds of dollars, good mic).

The difference is in the ears of the headsets,




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Re: [Elecraft] Microphone

[n9tf]

Bill, 
  
I have the CM500, and am very, very happy with it. I also use a Heil Gold Elite 
that was originally on my ProIII. I use the CM500 way more than the Heil. The 
EQ functionality in the K3S is superb, making any inexpensive microphone sound 
like a million bucks. Don't go overboard on the $$ for a microphone. Put that 
extra $$ towards antennas!! 
  
Gene 
N9TF 
  
K3S 10057 

- Original Message -

From: "Bill DeVore" <maxr...@gmail.com> 
To: "elecraft" <elecraft@mailman.qth.net> 
Sent: Thursday, October 13, 2016 1:37:44 PM 
Subject: [Elecraft] Microphone 

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions. 

Bill - W3PNM 
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Re: [Elecraft] Microphone

[Ken G Kopp]

I suspect that most of today's radio's require more than three wires for
all the functions we expect.  (:-)

73

K0PP

On Oct 13, 2016 2:18 PM, "Michael Wong"  wrote:

> I’m still more of an audio professional than an accomplished ham, so I’ll
> ask while the thread is hot - why does ham gear use non-standard
> interconnects? Why don't Elecraft and others move to 3-pin XLR? Honestly,
> the bottom of my mic cabinet is probably overkill for ham, but the fact I
> have to get (or make) a custom adapter for even my least expensive mic irks
> me.
>
>
> > On Oct 13, 2016, at 1:01 PM, Jim Brown 
> wrote:
> >
> > The CM500 is the clear winner -- great sounding mic, great sounding
> headphones are very comfortable.  As a retired pro recording engineer, I
> own several dozen excellent mics. Anything more expensive that the CM500 is
> a waste of money. The EV RE320 someone suggested is a nice mic for
> broadcast work, but gross overkill for a ham station.
> >
> > 73, Jim K9YC
> >
> > On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:
> >>
> >> I never bought any handmic. But I own several headsets, a $4,50 plastic
> one (has a good mic), a Yamaha CM500 ($45, many K3 owners have that one,
> good mic) and a david clark aviation headset (several hundreds of dollars,
> good mic).
> >>
> >> The difference is in the ears of the headsets,
> >
>
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Re: [Elecraft] Microphone

[Jim Cox]

I use the PR-10 and got a lot of very good audio reports.  Jim K4JAF

-Original Message- 
From: Bill DeVore

Sent: Thursday, October 13, 2016 1:37 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Microphone

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.


Bill - W3PNM
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Re: [Elecraft] Microphone

[Michael Wong]

I’m still more of an audio professional than an accomplished ham, so I’ll ask 
while the thread is hot - why does ham gear use non-standard interconnects? Why 
don't Elecraft and others move to 3-pin XLR? Honestly, the bottom of my mic 
cabinet is probably overkill for ham, but the fact I have to get (or make) a 
custom adapter for even my least expensive mic irks me.


> On Oct 13, 2016, at 1:01 PM, Jim Brown  wrote:
> 
> The CM500 is the clear winner -- great sounding mic, great sounding 
> headphones are very comfortable.  As a retired pro recording engineer, I own 
> several dozen excellent mics. Anything more expensive that the CM500 is a 
> waste of money. The EV RE320 someone suggested is a nice mic for broadcast 
> work, but gross overkill for a ham station.
> 
> 73, Jim K9YC
> 
> On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:
>> 
>> I never bought any handmic. But I own several headsets, a $4,50 plastic one 
>> (has a good mic), a Yamaha CM500 ($45, many K3 owners have that one, good 
>> mic) and a david clark aviation headset (several hundreds of dollars, good 
>> mic).
>> 
>> The difference is in the ears of the headsets, 
> 

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Re: [Elecraft] Microphone

[Jim Brown]

The CM500 is the clear winner -- great sounding mic, great sounding 
headphones are very comfortable.  As a retired pro recording engineer, I 
own several dozen excellent mics. Anything more expensive that the CM500 
is a waste of money. The EV RE320 someone suggested is a nice mic for 
broadcast work, but gross overkill for a ham station.


73, Jim K9YC

On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:


I never bought any handmic. But I own several headsets, a $4,50 
plastic one (has a good mic), a Yamaha CM500 ($45, many K3 owners have 
that one, good mic) and a david clark aviation headset (several 
hundreds of dollars, good mic).


The difference is in the ears of the headsets, 



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Re: [Elecraft] Microphone

[Arie Kleingeld PA3A]

Bill,

You could try a nice looking, computer headset with electret mic. You'll 
be amazed by the results. The K3 works well with just about any mic. 
Well done Elecraft.


I never bought any handmic. But I own several headsets, a $4,50 plastic 
one (has a good mic), a Yamaha CM500 ($45, many K3 owners have that one, 
good mic) and a david clark aviation headset (several hundreds of 
dollars, good mic).


The difference is in the ears of the headsets, all mics perform well, 
thanks to the EQ/gain/proc-setting possibilities in the K3. I take the 
plastic headset with me when camping, the CM500 in my quiet shack and 
the david clark when I'm working in a multi-operator contest with lots 
op people walking and talking.


As far as mic-audio is concerned: how much hi-fi can you put through a 
2.5kHz bandwidth SSB signal? Will the expensive Heil PR-10 make a real 
difference? For peace of mind: buy the Heil. 'My mic is is Heil PR-10' 
sounds quite different from "my mic is a cheap electret computermic'.


:-)

73

Arie PA3A



Op 13-10-2016 om 20:37 schreef Bill DeVore:

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM


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Re: [Elecraft] Microphone

[Bert Craig]

My vote is for the EV RE320. It's more than adequate with my K2/100. Take care 
es... 

Vy 73 de Bert
WA2SI

Sent from my android device.

-Original Message-
From: Bill DeVore <maxr...@gmail.com>
To: elecraft@mailman.qth.net
Sent: Thu, 13 Oct 2016 14:37
Subject: [Elecraft] Microphone

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM
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[Elecraft] Microphone

[Bill DeVore]

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM
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[Elecraft] Microphone For Sale (K7KEY)

[John Pierce]

Very nice, almost pristine, Astatic D-104 Silver Eagle.  With W2ENY element
and Elecraft 8-pin connector installed.  Chrome is fully intact, and you
have to search really hard to find any scuffs. Asking $100 with free
shipping.
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[Elecraft] Microphone/Headset for K3S

[Juliean Galak]

I'm a new ham, just licensed a few months ago, and am planning on a K3S as
my first HF radio.  To that end, I'm a bit confused by the issue of
headphones/microphones.  Specifically, what kind of plugs do I need to use?

For example, I have an excellent, high-quality, computer headset with
mike.  Can I use it?  It has the standard PC 1/8" jacks, so I assume I'd
need some sort of adapters.  For headphones, that's likely just a 1/8"
stereo to 1/4" stereo adapter, right?  But what about for the mike?  And
how do I add a PTT pedal or switch?

Thanks,

-- 
Juliean Galak
jga...@gmail.com
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Re: [Elecraft] Microphone/Headset for K3S

[Cady, Fred]

Lots of us program a function key (PF1) to toggle between SPKR+PH On and Off.
73,
Fred KE7X



From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Bill Frantz 
<fra...@pwpconsult.com>
Sent: Friday, December 18, 2015 3:29 PM
To: Juliean Galak
Cc: Elecraft List
Subject: Re: [Elecraft] Microphone/Headset for K3S

Welcome to the hobby. Mike has it exactly right about the K3S.

With an adapter, you can use the front panel jack for the
headphones. Using it makes it easy to switch to the internal
speaker when you want to. (Just unplug the 1/4 inch adapter.)

73 Bill AE6JV

On 12/18/15 at 1:02 PM, n...@comcast.net (Mike Reublin NF4L) wrote:

>Hi Juliean -
>
>Welcome to the hobby. You're starting off with the best. Yes,
>you can use your computer headset. The K3s has an 8-band
>equalizer for both receive and transmit, so with a bit of
>tinkering, you can get excellent sound.
>
>My headset came with 1/8 plugs for both mic and phones. I plug
>them into the jacks on the back panel. No adapters needed. And
>I'm not continually bumping them. A foot switch plugs into the
>1/4" jack labeled "PTT In" on the back panel.
>
>73, Mike NF4L
>
>
>>On Dec 18, 2015, at 2:58 PM, Juliean Galak <jga...@gmail.com> wrote:
>>
>>I'm a new ham, just licensed a few months ago, and am planning on a K3S as
>>my first HF radio.  To that end, I'm a bit confused by the issue of
>>headphones/microphones.  Specifically, what kind of plugs do I need to use?
>>
>>For example, I have an excellent, high-quality, computer headset with
>>mike.  Can I use it?  It has the standard PC 1/8" jacks, so I assume I'd
>>need some sort of adapters.  For headphones, that's likely just a 1/8"
>>stereo to 1/4" stereo adapter, right?  But what about for the mike?  And
>>how do I add a PTT pedal or switch?
---
Bill Frantz|Security, like correctness, is| Periwinkle
(408)356-8506  |not an add-on feature. - Attr-| 16345
Englewood Ave
www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos,
CA 95032

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Re: [Elecraft] Microphone/Headset for K3S

[Mike Reublin NF4L]

I have PF1 programmed to toggle spkr+phones, phones are on all the time.

73, Mike NF4L


> On Dec 18, 2015, at 5:29 PM, Bill Frantz  wrote:
> 
> Welcome to the hobby. Mike has it exactly right about the K3S.
> 
> With an adapter, you can use the front panel jack for the headphones. Using 
> it makes it easy to switch to the internal speaker when you want to. (Just 
> unplug the 1/4 inch adapter.)
> 
> 73 Bill AE6JV
> 
> On 12/18/15 at 1:02 PM, n...@comcast.net (Mike Reublin NF4L) wrote:
> 
>> Hi Juliean -
>> 
>> Welcome to the hobby. You're starting off with the best. Yes, you can use 
>> your computer headset. The K3s has an 8-band equalizer for both receive and 
>> transmit, so with a bit of tinkering, you can get excellent sound.
>> 
>> My headset came with 1/8 plugs for both mic and phones. I plug them into the 
>> jacks on the back panel. No adapters needed. And I'm not continually bumping 
>> them. A foot switch plugs into the 1/4" jack labeled "PTT In" on the back 
>> panel.
>> 
>> 73, Mike NF4L
>> 
>> 
>>> On Dec 18, 2015, at 2:58 PM, Juliean Galak  wrote:
>>> 
>>> I'm a new ham, just licensed a few months ago, and am planning on a K3S as
>>> my first HF radio.  To that end, I'm a bit confused by the issue of
>>> headphones/microphones.  Specifically, what kind of plugs do I need to use?
>>> 
>>> For example, I have an excellent, high-quality, computer headset with
>>> mike.  Can I use it?  It has the standard PC 1/8" jacks, so I assume I'd
>>> need some sort of adapters.  For headphones, that's likely just a 1/8"
>>> stereo to 1/4" stereo adapter, right?  But what about for the mike?  And
>>> how do I add a PTT pedal or switch?
> ---
> Bill Frantz|Security, like correctness, is| Periwinkle
> (408)356-8506  |not an add-on feature. - Attr-| 16345 Englewood Ave
> www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos, CA 95032
> 
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Re: [Elecraft] Microphone/Headset for K3S

[Bill Frantz]

Welcome to the hobby. Mike has it exactly right about the K3S.

With an adapter, you can use the front panel jack for the 
headphones. Using it makes it easy to switch to the internal 
speaker when you want to. (Just unplug the 1/4 inch adapter.)


73 Bill AE6JV

On 12/18/15 at 1:02 PM, n...@comcast.net (Mike Reublin NF4L) wrote:


Hi Juliean -

Welcome to the hobby. You're starting off with the best. Yes, 
you can use your computer headset. The K3s has an 8-band 
equalizer for both receive and transmit, so with a bit of 
tinkering, you can get excellent sound.


My headset came with 1/8 plugs for both mic and phones. I plug 
them into the jacks on the back panel. No adapters needed. And 
I'm not continually bumping them. A foot switch plugs into the 
1/4" jack labeled "PTT In" on the back panel.


73, Mike NF4L



On Dec 18, 2015, at 2:58 PM, Juliean Galak  wrote:

I'm a new ham, just licensed a few months ago, and am planning on a K3S as
my first HF radio.  To that end, I'm a bit confused by the issue of
headphones/microphones.  Specifically, what kind of plugs do I need to use?

For example, I have an excellent, high-quality, computer headset with
mike.  Can I use it?  It has the standard PC 1/8" jacks, so I assume I'd
need some sort of adapters.  For headphones, that's likely just a 1/8"
stereo to 1/4" stereo adapter, right?  But what about for the mike?  And
how do I add a PTT pedal or switch?

---
Bill Frantz|Security, like correctness, is| Periwinkle
(408)356-8506  |not an add-on feature. - Attr-| 16345 
Englewood Ave
www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos, 
CA 95032


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Re: [Elecraft] Microphone/Headset for K3S

[Mike Reublin NF4L]

Hi Juliean -

Welcome to the hobby. You're starting off with the best. Yes, you can use your 
computer headset. The K3s has an 8-band equalizer for both receive and 
transmit, so with a bit of tinkering, you can get excellent sound.

My headset came with 1/8 plugs for both mic and phones. I plug them into the 
jacks on the back panel. No adapters needed. And I'm not continually bumping 
them. A foot switch plugs into the 1/4" jack labeled "PTT In" on the back panel.

73, Mike NF4L


> On Dec 18, 2015, at 2:58 PM, Juliean Galak  wrote:
> 
> I'm a new ham, just licensed a few months ago, and am planning on a K3S as
> my first HF radio.  To that end, I'm a bit confused by the issue of
> headphones/microphones.  Specifically, what kind of plugs do I need to use?
> 
> For example, I have an excellent, high-quality, computer headset with
> mike.  Can I use it?  It has the standard PC 1/8" jacks, so I assume I'd
> need some sort of adapters.  For headphones, that's likely just a 1/8"
> stereo to 1/4" stereo adapter, right?  But what about for the mike?  And
> how do I add a PTT pedal or switch?
> 
> Thanks,
> 
> -- 
> Juliean Galak
> jga...@gmail.com
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Re: [Elecraft] Microphone/Headset for K3S

[Joe Subich, W4TV]

> For example, I have an excellent, high-quality, computer headset with
> mike.  Can I use it?

Yes, you will likely need to have bias on for whichever mic jack you
use.


It has the standard PC 1/8" jacks, so I assume I'd need some sort of
adapters. But what about for the mike?  And how do I add a PTT pedal
or switch?


You can either plug it directly into the 3.5mm jacks on the rear panel
and program a function key (typically PF1) to turn the speaker(s) On/Off
or you can use an 1/8" to 1/4" adapter for the headphones and a Heil
AD1-K (Kenwood) adapter to connect the mic to the front panel (Foster)
mic jack.  You could also build your own equivalent of the AD1-K with
an 8 pin mic plug and a couple in-line female jacks for the 1/8" mic
plug and PTT.

73,

  ... Joe, W4TV


On 12/18/2015 2:58 PM, Juliean Galak wrote:

I'm a new ham, just licensed a few months ago, and am planning on a K3S as
my first HF radio.  To that end, I'm a bit confused by the issue of
headphones/microphones.  Specifically, what kind of plugs do I need to use?

For example, I have an excellent, high-quality, computer headset with
mike.  Can I use it?  It has the standard PC 1/8" jacks, so I assume I'd
need some sort of adapters.  For headphones, that's likely just a 1/8"
stereo to 1/4" stereo adapter, right?  But what about for the mike?  And
how do I add a PTT pedal or switch?

Thanks,


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[Elecraft] Microphone Setup

[James F. Boehner, MD via Elecraft]

Don, 

Thanks to you, Richard, Gene, Charlie, Bob and Mitch for your constructive
and educational responses on this topic.

Don, I am happy to say that the settings you mention below were the ones
that I settled on after some experimentation prior to my post.  I appreciate
the validation and the background on the reasons why those settings are the
desired ones.

Not all information is in the manual, certainly not specifics.  The
collective experience on this list is greatly appreciated, especially from
those of us that are new to the Elecraft line.

Thanks again!

'73 de Jim N2ZZ



-Original Message-
From: Don Wilhelm [mailto:w3...@embarqmail.com] 
Sent: Wednesday, November 04, 2015 8:06 AM
To: James F. Boehner, MD; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Microphone Setup

Dr. Jim,

There is no FAQ that I am aware of.
Actually the information is pretty basic.  Microphone elements come in two
basic types - Electret and Dynamic.
The Electret types need a DC bias applied to the AF line.
The Dynamic elements should *not* have bias applied or they will be
distorted.

The other thing that often causes confusion is the mic plug pinout. The mic
plug wiring must match the pin arrangement used in the transceiver, and that
information is shown in the transceiver manual.  In the case of the Elecraft
K3 and K3S, the 8 pin mic pinout differs only from that used by Kenwood in
that the use of pins 5 and 6 are reversed.  Since most Kenwood unamplified
dynamic microphones do not use pins 5 and 6, most all Kenwood dynamic
microphones will work directly with the K3 and K3S.

Heil microphones normally use a 4 pin XLR as a generalized connector
*and* use an adapter or special cable to change that XLR connection to that
required for the transceiver.  The adapter to be used with the K3 and K3S is
the one for the Kenwood (which has a red band).

Heil microphones come in both the dynamic and the electret types, although
most are dynamic.  If the microphone is designated with a "-iC" 
or "-K2" it is an electret type.

A lot of information on microphones and transceiver connections can be found
at http://homepage.ntlworld.com/rg4wpw/date.html.  G4WPW has done an
excellent job of collecting information about microphones, mic pinouts and
even schematics.

In your particular case with the Heil PR-781, use the Kenwood cable (Heil
CC-1XLR-K) with that microphone and make certain the bias is turned off.
I believe that microphone has a rather low output, so you may have to use
the high range for the mic gain.
So - the K3(S) MIC SEL menu should be set to "FP H".
Set the mic gain as described in the K3 manual - first set compression to
zero, then adjust the MIC GAIN until you see 5 to 7 bars illuminated on the
ALC meter (that can be done in TX TEST so no RF is produced).  
Then bring the compression up to your tastes, usually in the 3 to 6 dB
range.

73,
Don W3FPR


On 11/3/2015 10:44 PM, James F. Boehner, MD via Elecraft wrote:
> Is there an FAQ for microphone setups for the K3(S)?
>
> Particularly, I am looking how to set up the Heil PR-781 on the K3, 
> including the menu setup.
>
>

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Re: [Elecraft] Microphone Setup

[Bob McGraw - K4TAX]

Jim:

I use the PR -781 on my K3S with excellent results.

From the MENU scroll to  MIC SEL - choose FP.H meaning front panel 
high.   {See page 55 of the K3S manual.}


From the MENU select TX EQ  {See page 56 of the K3S manual.}
set frequencies as follows
#1  50 Hz -16
#2  100 Hz-8
#3  200 Hz 0
#4  400 Hz 0
#5  800 Hz 0
#6  1600 Hz   0
#7  2400 Hz   +3
#8  3200 Hz   +6

Scroll to VOX gain and set the value to 020
Scroll to ANTIVOX and set the value to 010
Exit MENU to save.

Go to the CONFIG menu and scroll to  TX ESSB   {See page 66 in the K3S 
manual for details.}

Set this value to ON and  3.0
Exit menu to save.

From the front panel:
Set the MIC gain at about 40.  This gets about 4 to 5 bars on the ALC meter.
Set the COMP at about 15.  This gets about 3 to 4 bars on the CMP meter.

Operate with a mike-to-mouth distance of about 1 fist or about 4" to 
5".  If you get too close you will find the proximity effect will bring 
the bottom end up a noticeable amount.


Get ready for "great audio" reports!

73
Bob, K4TAX

On 11/3/2015 9:44 PM, James F. Boehner, MD via Elecraft wrote:

Is there an FAQ for microphone setups for the K3(S)?

Particularly, I am looking how to set up the Heil PR-781 on the K3,
including the menu setup.

TIA,

'73 de JIM N2ZZ



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Re: [Elecraft] Microphone Setup

[Don Wilhelm]

Dr. Jim,

There is no FAQ that I am aware of.
Actually the information is pretty basic.  Microphone elements come in 
two basic types - Electret and Dynamic.

The Electret types need a DC bias applied to the AF line.
The Dynamic elements should *not* have bias applied or they will be 
distorted.


The other thing that often causes confusion is the mic plug pinout. The 
mic plug wiring must match the pin arrangement used in the transceiver, 
and that information is shown in the transceiver manual.  In the case of 
the Elecraft K3 and K3S, the 8 pin mic pinout differs only from that 
used by Kenwood in that the use of pins 5 and 6 are reversed.  Since 
most Kenwood unamplified dynamic microphones do not use pins 5 and 6, 
most all Kenwood dynamic microphones will work directly with the K3 and K3S.


Heil microphones normally use a 4 pin XLR as a generalized connector 
*and* use an adapter or special cable to change that XLR connection to 
that required for the transceiver.  The adapter to be used with the K3 
and K3S is the one for the Kenwood (which has a red band).


Heil microphones come in both the dynamic and the electret types, 
although most are dynamic.  If the microphone is designated with a "-iC" 
or "-K2" it is an electret type.


A lot of information on microphones and transceiver connections can be 
found at http://homepage.ntlworld.com/rg4wpw/date.html.  G4WPW has done 
an excellent job of collecting information about microphones, mic 
pinouts and even schematics.


In your particular case with the Heil PR-781, use the Kenwood cable 
(Heil CC-1XLR-K) with that microphone and make certain the bias is 
turned off.
I believe that microphone has a rather low output, so you may have to 
use the high range for the mic gain.

So - the K3(S) MIC SEL menu should be set to "FP H".
Set the mic gain as described in the K3 manual - first set compression 
to zero, then adjust the MIC GAIN until you see 5 to 7 bars illuminated 
on the ALC meter (that can be done in TX TEST so no RF is produced).  
Then bring the compression up to your tastes, usually in the 3 to 6 dB 
range.


73,
Don W3FPR


On 11/3/2015 10:44 PM, James F. Boehner, MD via Elecraft wrote:

Is there an FAQ for microphone setups for the K3(S)?

Particularly, I am looking how to set up the Heil PR-781 on the K3,
including the menu setup.




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Re: [Elecraft] Microphone Setup

[Charlie T, K3ICH]

If you ever wondered why a bias voltage can cause
distortion in a dynamic microphone element, just
consider what happens when you connect a DC source
to a speaker.  The voice coil move in one
direction depending on the polarity.  Now think of
a dynamic mic element doing the same thing.  After
all, electrically, the element and speaker are
essentially the same.   The DC bias causes the mic
element's static condition to be physically moved
from its normal resting position, so the output
waveform will not be an accurate electrical
representation of the audio wavefront arriving at
the element.

73, Charlie k3ICH





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[Elecraft] Microphone Setup

[James F. Boehner, MD via Elecraft]

Is there an FAQ for microphone setups for the K3(S)?

Particularly, I am looking how to set up the Heil PR-781 on the K3,
including the menu setup.

TIA,

'73 de JIM N2ZZ


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Re: [Elecraft] Microphone Setup

[Richard Fjeld]

James,

Sorry about that.  I'd be glad to help you.  You can email me off-line 
if needed.


It's been a few years, but the review would do me good. I can remember 
this; at the time, it was the same as a Kenwood except for one 
wire/pin.  The bias battery had
me wondering as I recall.  But it is easy to understand, once explained. 
I like the arrangement that Elecraft uses.


Dick, n0ce


On 11/3/2015 9:59 PM, Jim Brown wrote:

On Tue,11/3/2015 7:44 PM, James F. Boehner, MD via Elecraft wrote:

Is there an FAQ for microphone setups for the K3(S)?


Yes. It's called read the manual.

73, Jim K9YC
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Re: [Elecraft] Microphone Setup

[Jim Brown]

On Tue,11/3/2015 7:44 PM, James F. Boehner, MD via Elecraft wrote:

Is there an FAQ for microphone setups for the K3(S)?


Yes. It's called read the manual.

73, Jim K9YC
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Re: [Elecraft] Microphone Qusestion [Thread CLOSED]

[Eric Swartz - WA6HHQ, Elecraft]

Yup, its certainly is a valuable thread, but once the volume gets too high, we 
ask that further discussion be taken off list as we have thousands of readers 
and not all are able to handle excessive email on topics they are not interested 
in.


Also note that this type of discussion is a repeating topic over the years and 
can be easily found and read in the searchable Elecraft archives at Nabble. ( 
See http://www.elecraft.com/elist.html )


73
Eric
/elecraft.com/
Moderator etc.

On 7/7/2015 7:09 AM, WA8JXM wrote:
I definitely agree with Chris that this has been a very good thread and in 
fact, I marked and saved the message prior to Eric closing the thread because 
of the useful long term information in it.


It may be time to close it, but it was a good and valuable thread through the 
last message IMO.


73,
Ken WA8JXM


On 07/07/2015 09:18, Chris Hallinan wrote:

Argh.  This was a very interesting and pertinent thread, and I learned a
lot from it.  Those that aren't interested should learn to use the delete
key. :(

On Tue, Jul 7, 2015 at 7:26 AM, Eric Swartz - WA6HHQ, Elecraft 
e...@elecraft.com wrote:


Guys,

Time to close this thread in the interest of reducing overload for others
due to the huge number of posts. This One is -way- over the normal list
limit.



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Re: [Elecraft] Microphone Qusestion [Thread CLOSED]

[Bill]

Searching is great - as are new posts and new information. The large 
number of posts indicated the amount of interest in the subject matter. 
So much can be done with the K3/K3S's audio, so many varied mics out 
there, and so many different user comments. So much to learn - I have 
only been at the Elecraft game for three years.


Too bad to cut this one off.

Bill W2BLC K-Line


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Re: [Elecraft] Microphone Qusestion [Thread CLOSED]

[Eric Swartz - WA6HHQ, Elecraft]

Guys,

Time to close this thread in the interest of reducing overload for others due 
to the huge number of posts. This One is -way- over the normal list limit.

Also, there was a huge amount of over-copying of prior text in this thread. As 
per our list guidelines, please delete -all- prior list footers and also limit 
text from prior posts to just a few sentences if needed to retain context. It 
is never appropriate to copy multiple complete prior posts.

73,

Eric
List moderator, among other responsibilities..
elecraft.com
_..._

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Re: [Elecraft] Microphone Qusestion [Thread CLOSED]

[Chris Hallinan]

Argh.  This was a very interesting and pertinent thread, and I learned a
lot from it.  Those that aren't interested should learn to use the delete
key. :(

On Tue, Jul 7, 2015 at 7:26 AM, Eric Swartz - WA6HHQ, Elecraft 
e...@elecraft.com wrote:

 Guys,

 Time to close this thread in the interest of reducing overload for others
 due to the huge number of posts. This One is -way- over the normal list
 limit.

 Also, there was a huge amount of over-copying of prior text in this
 thread. As per our list guidelines, please delete -all- prior list footers
 and also limit text from prior posts to just a few sentences if needed to
 retain context. It is never appropriate to copy multiple complete prior
 posts.

 73,

 Eric
 List moderator, among other responsibilities..
 elecraft.com
 _..._

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Life is like Linux - it never stands still.
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Re: [Elecraft] Microphone Qusestion

[Bob McGraw - K4TAX]

While I don't have my new K3S radio yet, I did print the Owners Manual.  
It shows the MIC audio connection to be pin #1 as MIC audio, pin #7 as 
GRD, and pin #8 as GRD.  My question, are pins #7  #8  the same or is 
one analog ground and one chassis. ground. If so, which is analog ground 
and which is chassis ground?   I'm making a mike cable XLR to 8 pin.



73 Bob, K4TAX


On 7/5/2015 11:49 AM, Jim Brown wrote:

On Sun,7/5/2015 7:06 AM, Joe Subich, W4TV wrote:

The Heil PR-781 is grossly overpriced. Any quality dynamic mic will
work very well with the K3/K3S. 


Right on both counts. Because I'm retired from pro audio, I have a 
closet full of pro mics. All of the dynamic mics work very well with 
the K3. Before one of the guys in our club introduced me to the CM500, 
I used an RE11 on a boom stand from my music recording stash. I also 
own two Sony MDR7506 headsets, which I no longer use in the shack 
because the CM500 is so good.


The TX EQ built into the K3 is quite capable, and is all that is 
needed to tailor TX audio to a mic and a voice. An external equalizer 
is a waste of money. All it takes to use any dynamic mic with a K3 or 
K3S is a suitably wired connector or connector adapter cable. For a 
pro mic with an XL-connector, wire pin 2 to the mic input, pin 3 to 
mic return, and pin 1 to the connector shell. Or if you have a two 
wire cable (center plus shield), wire pin 2 to the center conductor 
and to mic input, tie 1 and 3 together to the shield, and connect to 
the K3 connector shell.


73, Jim K9YC


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Re: [Elecraft] Microphone Qusestion

[Bob McGraw - K4TAX]

Thanks to all for the info.

Wiring the XLR for the mike;
pin #1 as ground/shield,
pin #2 mike high,
pin #3 as mike low.

To the radio 8 pin connector;
pin #1 as mike high,
pin 7 as mike low,
pin #8 as ground.

For what its worth, I use a three conductor shielded cable and thus 
shield is connected at one end only.



73 Bob, K4TAX


On 7/6/2015 4:58 PM, Joe Subich, W4TV wrote:


Assuming there has been no change from the late K3, pins 7 and 8 are
both connected to circuit board common.  Since the K3/K3S front panel
mic jack is generally compatible with Kenwood (except for the reversal
of pins 5 and 6), most folks treat pin 7 as mic return and pin 8 as
shell/ground/chassis.

73,

   ... Joe, W4TV


On 2015-07-06 4:20 PM, Bob McGraw - K4TAX wrote:


While I don't have my new K3S radio yet, I did print the Owners Manual.
It shows the MIC audio connection to be pin #1 as MIC audio, pin #7 as
GRD, and pin #8 as GRD.  My question, are pins #7  #8  the same or is
one analog ground and one chassis. ground. If so, which is analog ground
and which is chassis ground?   I'm making a mike cable XLR to 8 pin.


73 Bob, K4TAX


On 7/5/2015 11:49 AM, Jim Brown wrote:

On Sun,7/5/2015 7:06 AM, Joe Subich, W4TV wrote:

The Heil PR-781 is grossly overpriced. Any quality dynamic mic will
work very well with the K3/K3S.


Right on both counts. Because I'm retired from pro audio, I have a
closet full of pro mics. All of the dynamic mics work very well with
the K3. Before one of the guys in our club introduced me to the CM500,
I used an RE11 on a boom stand from my music recording stash. I also
own two Sony MDR7506 headsets, which I no longer use in the shack
because the CM500 is so good.

The TX EQ built into the K3 is quite capable, and is all that is
needed to tailor TX audio to a mic and a voice. An external equalizer
is a waste of money. All it takes to use any dynamic mic with a K3 or
K3S is a suitably wired connector or connector adapter cable. For a
pro mic with an XL-connector, wire pin 2 to the mic input, pin 3 to
mic return, and pin 1 to the connector shell. Or if you have a two
wire cable (center plus shield), wire pin 2 to the center conductor
and to mic input, tie 1 and 3 together to the shield, and connect to
the K3 connector shell.

73, Jim K9YC


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Re: [Elecraft] Microphone Qusestion

[Joe Subich, W4TV]

Assuming there has been no change from the late K3, pins 7 and 8 are
both connected to circuit board common.  Since the K3/K3S front panel
mic jack is generally compatible with Kenwood (except for the reversal
of pins 5 and 6), most folks treat pin 7 as mic return and pin 8 as
shell/ground/chassis.

73,

   ... Joe, W4TV


On 2015-07-06 4:20 PM, Bob McGraw - K4TAX wrote:


While I don't have my new K3S radio yet, I did print the Owners Manual.
It shows the MIC audio connection to be pin #1 as MIC audio, pin #7 as
GRD, and pin #8 as GRD.  My question, are pins #7  #8  the same or is
one analog ground and one chassis. ground. If so, which is analog ground
and which is chassis ground?   I'm making a mike cable XLR to 8 pin.


73 Bob, K4TAX


On 7/5/2015 11:49 AM, Jim Brown wrote:

On Sun,7/5/2015 7:06 AM, Joe Subich, W4TV wrote:

The Heil PR-781 is grossly overpriced. Any quality dynamic mic will
work very well with the K3/K3S.


Right on both counts. Because I'm retired from pro audio, I have a
closet full of pro mics. All of the dynamic mics work very well with
the K3. Before one of the guys in our club introduced me to the CM500,
I used an RE11 on a boom stand from my music recording stash. I also
own two Sony MDR7506 headsets, which I no longer use in the shack
because the CM500 is so good.

The TX EQ built into the K3 is quite capable, and is all that is
needed to tailor TX audio to a mic and a voice. An external equalizer
is a waste of money. All it takes to use any dynamic mic with a K3 or
K3S is a suitably wired connector or connector adapter cable. For a
pro mic with an XL-connector, wire pin 2 to the mic input, pin 3 to
mic return, and pin 1 to the connector shell. Or if you have a two
wire cable (center plus shield), wire pin 2 to the center conductor
and to mic input, tie 1 and 3 together to the shield, and connect to
the K3 connector shell.

73, Jim K9YC


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Re: [Elecraft] Microphone Qusestion

[ke9uw]

As best I can tell from the schematics, 7 and 8 are connected together.
However I use 7 as mic ground and 8 as the shell, like Kenwood.



-
Chuck, KE9UW
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Re: [Elecraft] Microphone Qusestion

[Bob McGraw - K4TAX]

OK thanks.   Got the info I needed.


73 Bob, K4TAX


On 7/6/2015 4:50 PM, ke9uw wrote:

As best I can tell from the schematics, 7 and 8 are connected together.
However I use 7 as mic ground and 8 as the shell, like Kenwood.



-
Chuck, KE9UW
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Re: [Elecraft] Microphone Qusestion

[Jim Brown]

On Mon,7/6/2015 5:25 PM, Bob McGraw - K4TAX wrote:
pin #8 as ground. 


Bob,

Unless you are absolutely certain that pin 8 goes straight to the 
chassis, use the connector shell for the shield to be certain that you 
don't excite a Pin One Problem.


73, Jim K9YC
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Re: [Elecraft] Microphone Qusestion

[Don Wilhelm]

The K3 mic jack shell is also connected to the circuit board ground plane.
Sure, it is a pin 1 problem since it does not connect directly to the 
front panel metalwork, but connecting the shell to the board ground is 
better than leaving it float.  The shield of your mic adapter cable 
should connect to the shell.
I suggest using pin 7 for the AF return and if you add a PTT 'tap', 
connect the 'hot' side to pin 2 and the return to pin 8.


If you connect nothing to pins 5 and 6, those connections will work for 
both Elecraft and Kenwood mic jacks.


73,
Don W3FPR

On 7/6/2015 5:58 PM, Joe Subich, W4TV wrote:


Assuming there has been no change from the late K3, pins 7 and 8 are
both connected to circuit board common.  Since the K3/K3S front panel
mic jack is generally compatible with Kenwood (except for the reversal
of pins 5 and 6), most folks treat pin 7 as mic return and pin 8 as
shell/ground/chassis.



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[Elecraft] Microphone Qusestion

[Bob McGraw - K4TAX]

New to the Reflector and new to Elecraft with a K3S on order,  what is 
suggested for a microphone.  Objective is excellent audio with little 
interest in contesting.   My thoughts and suggestion from another source 
is the Heli PR871.


--
73 Bob, K4TAX

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Re: [Elecraft] Microphone Qusestion

[Matt Zilmer]

I use three different types of microphones on the K3, all with similar
results -

- Heil Goldline with H4 and H5 elements, for use in ham shack
- Yamaha CM500 headset, for when the ham shack gets noisy
- A cheap-o computer headset, very lightweight, for field work

The main control to use in set up is the TX EQ.  There are good
guidelines from others on how to set the band gains up.  Using the EQ,
all three mics sounds about the same.

For the EQ, I set the bottom three bands as low as they'll go (-16
dB), then bring it up to 2 dB at 400 Hz, and have some midrange gain
through 3.2 KHz.  The energy below 400 Hz is not useful for
intelligibility.  Others can advise you on exact settings, because
they're audio pros.  Their advice is worth following, imho.

73,
matt
W6NIA

On Sun, 05 Jul 2015 06:59:42 -0500, you wrote:

New to the Reflector and new to Elecraft with a K3S on order,  what is 
suggested for a microphone.  Objective is excellent audio with little 
interest in contesting.   My thoughts and suggestion from another source 
is the Heli PR871.
Matt Zilmer, W6NIA
--
Always store beer in a dark place.  -R. Heinlein

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Re: [Elecraft] Microphone Qusestion

[Joe Subich, W4TV]

 Someone suggested the Heil PR 781 as a good choice.

The Heil PR-781 is grossly overpriced.  Any quality dynamic mic will
work very well with the K3/K3S.  For a hand mic look at a Kenwood
MC43S (connector matches the K3) or  Shure 514B or 596B ($43 at BH
Photovideo).  For a stick mic to be mounted on gooseneck/boom, look
at a Shure PGA48 ($35 at BH Photovideo).  If you need an off the
shelf amateur mic, the Kenwood MC60A works fine if you keep the
internal preamp turned off (otherwise it requires a minor rewiring
of the mic plug).

Other manufacturers communications/paging mics can be substituted
for the Shure but they are a good value for reasonable quality.
73,

   ... Joe, W4TV


On 2015-07-05 9:18 AM, Bob McGraw - K4TAX wrote:

Dave:

Thanks for the suggestion.  I normally do not use a headset thus I'm
interested in only a microphone.  I have a pair of nice Sony
Professional headphones .. when I use headphones.

Someone suggested the Heil PR 781 as a good choice.

73 Bob, K4TAX

On 7/5/2015 8:08 AM, David Bunte wrote:


Bob -

I am a CW operator, but wanted to be able to work SSB from time to
time.  I heard so many K3 users suggest the Yamaha CM500, that I tried
one... in part because the Heil Pro set I had was not comfortable for
me.  I can wear it for hours, and when I have used it on SSB I have
received very good reports.

A friend recently got a K3 and also got the CM500. The first time he
used the radio was in a state QSO party. He made LOTS of contacts, and
took first place in his class.  That was his intent... but he was
surprised, and very pleased, by the number of folks who took time
during the contest to tell him that he had outstanding audio. He used
a Heil headset in the past 20 or so QSO parties he entered, with first
place finishes in about half of them, and NEVER got unsolicited
compliments on his audio.  That, was, of course, also with a different
radio.

Many folks have achieved EXCELLENT results for VERY few dollars, by
mounting an electret element (for just a few dollars), In some manner
of their own design, and have been happy.  I liked the convince of the
Yamaha, which plug right into the rear jacks on the K3 (K3S is the
same)... with no need for adaptors, or connector changes.

Best of luck es 73 de Dave - K9FN

On Jul 5, 2015 8:35 AM, Mike Reublin NF4L n...@comcast.net
mailto:n...@comcast.net wrote:

The K3S has so much audio tailoring built in, pretty much any mic,
when properly set up, will garner good audio reports. There's no
need to spend cubic dollars on microphones.
73, Mike NF4L


 On Jul 5, 2015, at 7:59 AM, Bob McGraw - K4TAX
rmcg...@blomand.net mailto:rmcg...@blomand.net wrote:

 New to the Reflector and new to Elecraft with a K3S on order,
what is suggested for a microphone.  Objective is excellent audio
with little interest in contesting.   My thoughts and suggestion
from another source is the Heli PR871.

 --
 73 Bob, K4TAX

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Re: [Elecraft] Microphone Qusestion

[David Ahrendts]

Bob, you’ll get a hundred suggestions on this list, but the Heil PR781 is a 
superb choice. Or the Heil Gold Elite. I use the PR781 with the W2IHY EQPlus 
and 8-band EQ and the combo of the already top notch mich and EQ are superb. 
Additionally, pushing that fidelity into Elecraft’s ESSB (up to 4kHz) produces 
an extraordinary result. Best wishes. Happy to demo for you — contact me off 
list and we can set up a 20M QSO.

David Ahrendts, KC0XT, Los Angeles

 On Jul 5, 2015, at 4:59 AM, Bob McGraw - K4TAX rmcg...@blomand.net wrote:
 
 New to the Reflector and new to Elecraft with a K3S on order,  what is 
 suggested for a microphone.  Objective is excellent audio with little 
 interest in contesting.   My thoughts and suggestion from another source is 
 the Heli PR871.
 
 -- 
 73 Bob, K4TAX
 
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David Ahrendts   davidahren...@me.com   




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Re: [Elecraft] Microphone Qusestion

[Bill]

I use a Shure 514B - bullet proof handmic with no switch noise and 
excellent audio properties. Tailoring of the TX EQ completes the job.


Hint: Have one or two trusted friends listen to your signal while 
adjusting the EQ - they know your voice and what you should sound like. 
Too much help will just muddy the waters.


Want a good desk mic? Anything you can put in an arm will do (gets it 
off the desk) - and the EQ does all the rest. No need to spend mega 
dollars (that is what you have a K3/K3S for).


Bill W2BLC K-Line


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Re: [Elecraft] Microphone Qusestion

[Bob McGraw - K4TAX]

Dave:

Thanks for the suggestion.  I normally do not use a headset thus I'm 
interested in only a microphone.  I have a pair of nice Sony 
Professional headphones .. when I use headphones.


Someone suggested the Heil PR 781 as a good choice.

73 Bob, K4TAX

On 7/5/2015 8:08 AM, David Bunte wrote:


Bob -

I am a CW operator, but wanted to be able to work SSB from time to 
time.  I heard so many K3 users suggest the Yamaha CM500, that I  
tried one... in part because the Heil Pro set I had was not 
comfortable for me.  I can wear it for hours, and when I have used it 
on SSB I have received very good reports.


A friend recently got a K3 and also got the CM500. The first time he 
used the radio was in a state QSO party. He made LOTS of contacts, and 
took first place in his class.  That was his intent... but he was 
surprised, and very pleased, by the number of folks who took time 
during the contest to tell him that he had outstanding audio. He used 
a Heil headset in the past 20 or so QSO parties he entered, with first 
place finishes in about half of them, and NEVER got unsolicited 
compliments on his audio.  That, was, of course, also with a different 
radio.


Many folks have achieved EXCELLENT results for VERY few dollars, by 
mounting an electret element (for just a few dollars), In some manner 
of their own design, and have been happy.  I liked the convince of the 
Yamaha, which plug right into the rear jacks on the K3 (K3S is the 
same)... with no need for adaptors, or connector changes.


Best of luck es 73 de Dave - K9FN

On Jul 5, 2015 8:35 AM, Mike Reublin NF4L n...@comcast.net 
mailto:n...@comcast.net wrote:


The K3S has so much audio tailoring built in, pretty much any mic,
when properly set up, will garner good audio reports. There's no
need to spend cubic dollars on microphones.
73, Mike NF4L


 On Jul 5, 2015, at 7:59 AM, Bob McGraw - K4TAX
rmcg...@blomand.net mailto:rmcg...@blomand.net wrote:

 New to the Reflector and new to Elecraft with a K3S on order, 
what is suggested for a microphone.  Objective is excellent audio

with little interest in contesting.   My thoughts and suggestion
from another source is the Heli PR871.

 --
 73 Bob, K4TAX

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Re: [Elecraft] Microphone Qusestion

[David Bunte]

Bob -

I am a CW operator, but wanted to be able to work SSB from time to time.  I
heard so many K3 users suggest the Yamaha CM500, that I  tried one... in
part because the Heil Pro set I had was not comfortable for me.  I can wear
it for hours, and when I have used it on SSB I have received very good
reports.

A friend recently got a K3 and also got the CM500.  The first time he used
the radio was in a state QSO party. He made LOTS of contacts, and took
first place in his class.  That was his intent... but he was surprised, and
very pleased, by the number of folks who took time during the contest to
tell him that he had outstanding audio. He used a Heil headset in the past
20 or so QSO parties he entered, with first place finishes in about half of
them, and NEVER got unsolicited compliments on his audio.  That, was, of
course, also with a different radio.

Many folks have achieved EXCELLENT results for VERY few dollars, by
mounting an electret element (for just a few dollars), In some manner of
their own design, and have been happy.  I liked the convince of the Yamaha,
which plug right into the rear jacks on the K3 (K3S is the same)... with no
need for adaptors, or connector changes.

Best of luck es 73 de Dave - K9FN
 On Jul 5, 2015 8:35 AM, Mike Reublin NF4L n...@comcast.net wrote:

 The K3S has so much audio tailoring built in, pretty much any mic, when
 properly set up, will garner good audio reports. There's no need to spend
 cubic dollars on microphones.
 73, Mike NF4L


  On Jul 5, 2015, at 7:59 AM, Bob McGraw - K4TAX rmcg...@blomand.net
 wrote:
 
  New to the Reflector and new to Elecraft with a K3S on order,  what is
 suggested for a microphone.  Objective is excellent audio with little
 interest in contesting.   My thoughts and suggestion from another source is
 the Heli PR871.
 
  --
  73 Bob, K4TAX
 
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Re: [Elecraft] Microphone Qusestion

[Mike Reublin NF4L]

The K3S has so much audio tailoring built in, pretty much any mic, when 
properly set up, will garner good audio reports. There's no need to spend cubic 
dollars on microphones.
73, Mike NF4L


 On Jul 5, 2015, at 7:59 AM, Bob McGraw - K4TAX rmcg...@blomand.net wrote:
 
 New to the Reflector and new to Elecraft with a K3S on order,  what is 
 suggested for a microphone.  Objective is excellent audio with little 
 interest in contesting.   My thoughts and suggestion from another source is 
 the Heli PR871.
 
 -- 
 73 Bob, K4TAX
 
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Re: [Elecraft] Microphone Qusestion

[Joe Subich, W4TV]

 Microphones have to suit your voice.

No, microphones need to be reasonably flat without excess low
frequency response, particularly when worked close.  Beyond that
the K3/K3S TX EQ and noise gate are all anyone needs to achieve
excellent sounding audio with any voice.

Start with TX EQ set to -16, -16, -6, 0, 0, +3, +5, +6 and touch
up the 200 Hz band for your particular voice.  Increasing level
at 200 Hz will provide a bit more low frequency response at the
cost of some punch and intelligibility (low frequencies waste
transmitter power).  For the DX sound, change +3, +5, +6 (3 dB
per octave pre-emphasis) to +6, +10, +12 (6 dB per octave).

Both the low and high frequency adjustments may change a bit
depending on the response of the microphone.  A communications
(e.g. paging or radio) mic will need less pre-emphasis as some
is built into the mic element.  A recording mic will need even
more low cut because of proximity effect (bass build-up).

73,

  ... Joe, W4TV


On 2015-07-05 1:23 PM, Clive Lorton wrote:

On 05/07/2015 15:06, Joe Subich, W4TV wrote:

The Heil PR-781 is snip but they are a good value for reasonable
quality.

I always find this thread a waste of time, it come up regularly. The
subject is so personal.  Heil, Yamaha, Shure etc. well as I see its down
to comfort and the sound quality of your voice and/or ears.

My advise would be to try out what your friends use, or go to your local
friendly Ham Radio Store and try some out there. Make your own choice.
Headphones have to be comfortable.  Microphones have to suit your voice.

Just my 2 pence worth from across the pond

73 Clive G8POC


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Re: [Elecraft] Microphone Qusestion

[Clive Lorton]

On 05/07/2015 15:06, Joe Subich, W4TV wrote:
The Heil PR-781 is snip but they are a good value for reasonable 
quality.
I always find this thread a waste of time, it come up regularly. The 
subject is so personal.  Heil, Yamaha, Shure etc. well as I see its down 
to comfort and the sound quality of your voice and/or ears.


My advise would be to try out what your friends use, or go to your local 
friendly Ham Radio Store and try some out there. Make your own choice.  
Headphones have to be comfortable.  Microphones have to suit your voice.


Just my 2 pence worth from across the pond

73 Clive G8POC


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Re: [Elecraft] Microphone Qusestion

[Joe Subich, W4TV]

The point is that nobody can tell the difference on the air
between a $35 Shure PA48, a $65 Heil HM-12, $155 Heil PR-781
or even a $390 Yaesu MD200A8X for that matter.

We've all wrapped a Solo Cup or cut off paper towel tube around
a Shure 444 or Kenwood MC50, etc. if we've been licensed long enough.
Many of us have soldered capacitors in series with the mic lead over
the years as well in order to fix audio deficiencies in older rigs
that did not have effective TX EQ or proper preemphasis - that doesn't
take anything away from those mics.

However, the TX EQ in the K3 is probably the most effective, simple
to use option and it certainly makes the audio racks and W2IHY every
expensive surplus.

73,

  ... Joe, W4TV


On 2015-07-05 4:18 PM, Jim Brown wrote:

On Sun,7/5/2015 12:31 PM, Clive Lorton wrote:

The fact that Joe  thinks certain products are over priced is his
view, not necessarily everyone's


No, it's because Joe (and I) know microphones quite well, and we know
what good stuff costs. Joe is a retired broadcast engineering manager,
I'm retired from four decades in pro audio, including work as a
recording engineer. I'm also a member of the AES Standards Committee and
the Working Group on Microphones.


otherwise Heil would not be in business.


Heil is in business for the same reason that Bose is in business -- they
spend a lot of money on advertising, and their customers don't know
enough about the product they are selling to know they're being
suckered. In the audio biz, we say of Bose, better sound through
marketing.  The same applies to Heil.

When I got back on the air in 2003, I was still very busy running my
audio biz, so I bought a used K2/100, which came with a Heil PTT mic
(MH2). I opened it up and found an inexpensive electret capsule that
couldn't have cost more than a buck or two wedged into an opening with a
piece of foam behind it.

73, Jim K9YC
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Re: [Elecraft] Microphone Qusestion

[Clive Lorton]

On 05/07/2015 19:13, Joe Subich, W4TV wrote:

 Microphones have to suit your voice.
No, microphones need to be reasonably flat without excess low
frequency response, particularly when worked close.  Beyond that
the K3/K3S TX EQ and noise gate are all anyone needs to achieve
excellent sounding audio with any voice.

I disagree..

Start with TX EQ set to -16, -16, -6, 0, 0, +3, +5, +6 and touch
up the 200 Hz band for your particular voice. 
So you are applying e.q. electronically.  Yes I do that, but you can 
also do it acoustically i.e. Shure 444. Those who don't know how a 444 
works just cup you hands in front of your mouth and hear the difference 
to your voice. That the principle.


Microphones and headphones sound and feel differently. All I am saying 
is when purchasing, go for one that you like.  Not one that I like. Not 
one that Joe likes.  That's my argument.


The fact that Joe  thinks certain products are over priced is his view, 
not necessarily everyone's otherwise Heil would not be in business.


CLClive G8POC


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Re: [Elecraft] Microphone Qusestion

[Phil Hystad]

My two bits…

I use the Elecraft MH2 microphone and it suits me just fine.  Although, I do 
admit to
being mostly CW so the mic is not the most important part of the hobby.  But, I 
get
very good audio reports and even though I agree with all the comments about 
using
TX EQ to make adjustments, I have actually never done that.  I keep putting 
that off.
Maybe I will do that soon.  But, like I said, the MH2 is very good in my 
opinion and it
has several advantages:  nice PTT button on the mic is my preferred mode of 
operation
and it does not take up space on the desktop because I just scoot it out of the 
way
where it hides most of the time.

73, phil, K7PEH

P.S.  I am not addressing comments to Joe (W4TV) here, just sort of picked on 
his reply to
add my two-bit comments.



 On Jul 5, 2015, at 11:13 AM, Joe Subich, W4TV li...@subich.com wrote:
 
 
  Microphones have to suit your voice.
 
 No, microphones need to be reasonably flat without excess low
 frequency response, particularly when worked close.  Beyond that
 the K3/K3S TX EQ and noise gate are all anyone needs to achieve
 excellent sounding audio with any voice.
 
 Start with TX EQ set to -16, -16, -6, 0, 0, +3, +5, +6 and touch
 up the 200 Hz band for your particular voice.  Increasing level
 at 200 Hz will provide a bit more low frequency response at the
 cost of some punch and intelligibility (low frequencies waste
 transmitter power).  For the DX sound, change +3, +5, +6 (3 dB
 per octave pre-emphasis) to +6, +10, +12 (6 dB per octave).
 
 Both the low and high frequency adjustments may change a bit
 depending on the response of the microphone.  A communications
 (e.g. paging or radio) mic will need less pre-emphasis as some
 is built into the mic element.  A recording mic will need even
 more low cut because of proximity effect (bass build-up).
 
 73,
 
  ... Joe, W4TV
 
 
 On 2015-07-05 1:23 PM, Clive Lorton wrote:
 On 05/07/2015 15:06, Joe Subich, W4TV wrote:
 The Heil PR-781 is snip but they are a good value for reasonable
 quality.
 I always find this thread a waste of time, it come up regularly. The
 subject is so personal.  Heil, Yamaha, Shure etc. well as I see its down
 to comfort and the sound quality of your voice and/or ears.
 
 My advise would be to try out what your friends use, or go to your local
 friendly Ham Radio Store and try some out there. Make your own choice.
 Headphones have to be comfortable.  Microphones have to suit your voice.
 
 Just my 2 pence worth from across the pond
 
 73 Clive G8POC
 
 
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Re: [Elecraft] Microphone Qusestion

[bill]

If you prefer to have a microphone that LOOKs like a zillion dollars,
check out this elecret microphone which is relatively well built, 
and plugs directly into the rear mic jack on the K3.


Sounds like any electret should,,, very fine
http://www.ebay.com/itm/Sound-Studio-Dynamic-Mic-Shock-Mount-BM800-Condenser-Microphone-Excellent-TR-/151672992792?pt=LH_DefaultDomain_0hash=item23506a3418 



I already have too many microphones, but my variation was 19$ shipped 
from China.

Looks great, IF you like that BIG LOOKso I had to see what I would get.

look under bm-800  ,   also another mic   bm-700  these target gamers..
I worked for Sennheiser then AKG and finally Shure Brothers.( 40 
years in audio)

still use an akg paging mic on a goosemeck


bill


my club   Washington Amateur Communications WACOM  http://www.wacomarc.org/
my dx club   Northern Illinois DX 
Association   NIDXA  http://www.nidxa.org/



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Re: [Elecraft] Microphone Qusestion

[Jim Brown]

On Sun,7/5/2015 12:31 PM, Clive Lorton wrote:
The fact that Joe  thinks certain products are over priced is his 
view, not necessarily everyone's 


No, it's because Joe (and I) know microphones quite well, and we know 
what good stuff costs. Joe is a retired broadcast engineering manager, 
I'm retired from four decades in pro audio, including work as a 
recording engineer. I'm also a member of the AES Standards Committee and 
the Working Group on Microphones.


otherwise Heil would not be in business. 


Heil is in business for the same reason that Bose is in business -- they 
spend a lot of money on advertising, and their customers don't know 
enough about the product they are selling to know they're being 
suckered. In the audio biz, we say of Bose, better sound through 
marketing.  The same applies to Heil.


When I got back on the air in 2003, I was still very busy running my 
audio biz, so I bought a used K2/100, which came with a Heil PTT mic 
(MH2). I opened it up and found an inexpensive electret capsule that 
couldn't have cost more than a buck or two wedged into an opening with a 
piece of foam behind it.


73, Jim K9YC
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Re: [Elecraft] Microphone Qusestion

[Fred Jensen]

A little OT, but Joe is sooo correct.  Starting college, I worked at an 
FM station as a member of the TX engineering crew and a board op.  I had 
the sign-on shift 3 days a week and was the only one there ... and I 
should probably include I was 16 and the engineering crew had minimal 
adult supervision.


The mic at the board was the iconic prismatic RCA velocity mic, quite 
big and I found that, if I crawled up to it real close while reading the 
sign-on script, I sounded like a 45 yr old bass, highly experienced 
announcer instead of a 16 yr old teenager.  I think this is true for 
most mic types, that velocity mic just may have been the extreme case.


While bass is nice on a 50 Hz to 15 KHz hi-fi broadcast channel playing 
classical music [think 1812 Overture], you don't want that on a comm 
channel.  K3 TX EQ is extremely effective in tailoring the audio from 
most any mic.  I wonder how it would do using a Bell T-1 carbon element 
from an old black telephone?


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 7/5/2015 11:13 AM, Joe Subich, W4TV wrote:


  Microphones have to suit your voice.

No, microphones need to be reasonably flat without excess low
frequency response, particularly when worked close.

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Re: [Elecraft] Microphone Qusestion

[ke9uw]

Interesting...I felt this from the days of the shootouts, but stayed somewhat 
quiet back then. Kind of like if they're happy and you got them Q5, why be the 
old guy.

Sent from my iPad

On Jul 5, 2015, at 3:20 PM, Jim Brown-10 [via Elecraft] 
ml-node+s365791n7604655...@n2.nabble.commailto:ml-node+s365791n7604655...@n2.nabble.com
 wrote:

On Sun,7/5/2015 12:31 PM, Clive Lorton wrote:
 The fact that Joe  thinks certain products are over priced is his
 view, not necessarily everyone's

No, it's because Joe (and I) know microphones quite well, and we know
what good stuff costs. Joe is a retired broadcast engineering manager,
I'm retired from four decades in pro audio, including work as a
recording engineer. I'm also a member of the AES Standards Committee and
the Working Group on Microphones.

 otherwise Heil would not be in business.

Heil is in business for the same reason that Bose is in business -- they
spend a lot of money on advertising, and their customers don't know
enough about the product they are selling to know they're being
suckered. In the audio biz, we say of Bose, better sound through
marketing.  The same applies to Heil.

When I got back on the air in 2003, I was still very busy running my
audio biz, so I bought a used K2/100, which came with a Heil PTT mic
(MH2). I opened it up and found an inexpensive electret capsule that
couldn't have cost more than a buck or two wedged into an opening with a
piece of foam behind it.

73, Jim K9YC
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Post: 

Re: [Elecraft] Microphone Qusestion

[Gary Gregory]

Hi think Jim and Joe nailed it with regard to Mic (sound) and
associated cost.

Heil do nothing for me. The price turns me off and as others have stated
the K3 EQ is there to allow us all to use a sensibly priced Mic with good
quality resultant audio which is what we all want. (Thats an assumption on
my part ok)

I won't rant about the WI2HY. I will say i have yet to hear a station using
this type of audio that was adjusted to give good audio. My ears are c#@p
but a wide signal is still a wide signal and awful audio is still awful.
Piercing audio may cut through, but ripping off my headset when they call
sends me to the coffee machine and medicine drawer. It does not get a reply
from me.

I use a CM-500 and an MH2 and sometimes an old Turner +3. Never had any
complaints and I was born with a less than a DJ quality pitch. Oh well,
thems the breaks eh?

Just my 2 Drachmas worth...:-)

Gary
Vk1ZZ
K3, KPA500-FT, KAT500-FT
On 06/07/2015 11:01 AM, ke9uw c-haw...@illinois.edu wrote:

 Interesting...I felt this from the days of the shootouts, but stayed
 somewhat quiet back then. Kind of like if they're happy and you got them
 Q5, why be the old guy.

 Sent from my iPad

 On Jul 5, 2015, at 3:20 PM, Jim Brown-10 [via Elecraft] 
 ml-node+s365791n7604655...@n2.nabble.commailto:
 ml-node+s365791n7604655...@n2.nabble.com wrote:

 On Sun,7/5/2015 12:31 PM, Clive Lorton wrote:
  The fact that Joe  thinks certain products are over priced is his
  view, not necessarily everyone's

 No, it's because Joe (and I) know microphones quite well, and we know
 what good stuff costs. Joe is a retired broadcast engineering manager,
 I'm retired from four decades in pro audio, including work as a
 recording engineer. I'm also a member of the AES Standards Committee and
 the Working Group on Microphones.

  otherwise Heil would not be in business.

 Heil is in business for the same reason that Bose is in business -- they
 spend a lot of money on advertising, and their customers don't know
 enough about the product they are selling to know they're being
 suckered. In the audio biz, we say of Bose, better sound through
 marketing.  The same applies to Heil.

 When I got back on the air in 2003, I was still very busy running my
 audio biz, so I bought a used K2/100, which came with a Heil PTT mic
 (MH2). I opened it up and found an inexpensive electret capsule that
 couldn't have cost more than a buck or two wedged into an opening with a
 piece of foam behind it.

 73, Jim K9YC
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Re: [Elecraft] Microphone

[Bob Gibson via Elecraft]

I use a Heil PR 781G here..works good!    73s Bob W5RG

  From: David Hay david...@hudsontech.co.uk
 To: elecraft@mailman.qth.net 
 Sent: Monday, February 9, 2015 12:26 PM
 Subject: [Elecraft] Microphone
   

I want to buy a desk microphone for use with my K3, any recommendations?

Thanks

73 de David/M0TGC

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Re: [Elecraft] Microphone

[Don Wilhelm]

Most any microphone can be used as long as it has the proper pinout on 
the mic plug.

If you do not want to re-wire the plug, look at microphones for Kenwood.
Heil has Kenwood adapters that work fine with the K3. but IMHO, Heil 
microphones are overpriced.


73,
Don W3FPR

On 2/9/2015 1:26 PM, David Hay wrote:

I want to buy a desk microphone for use with my K3, any recommendations?




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Re: [Elecraft] Microphone

[Bill NY9H]

At 02:01 PM 2/9/2015, Don Wilhelm wrote:

Most any microphone can



http://www.walmart.com/ip/GE-JASHO98950-PC-Headset-with-Detachable-Microphone-and-Stand/21631675

desk microphone for $ 8.73

with EQ on the K3 can sound like anything thing you want
probably do NOT even need to eq


even better take an broken telephone handset apart and use the mic element
...
bill NY9H

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Re: [Elecraft] Microphone

[Mike Furrey]

What Jim said. I use a Shure 444D that I have had for 45 years. Not only do I 
get good audio reports but it looks pretty good next to the K3.

73 Mike WA5POK


--
On Mon, Feb 9, 2015 11:03 AM PST Jim Brown wrote:

On Mon,2/9/2015 10:26 AM, David Hay wrote:
 I want to buy a desk microphone for use with my K3, any recommendations?

Shure made some of the first high quality desk mics for radio, and they still 
make them. They were the first, I believe, to build in a peak around 3kHz to 
compensate for the rolloff of the SSB filter (in the 1950s). Current model is 
the 450 Series II. The 444 is an earlier version.

These are dynamic mics, and last virtually forever. Buy them used for a third 
of the price. All that it takes to make them work with an Elecraft rig is a 
properly wired mic connector. And, of course, with a K3 or KX3, tweak TXEQ for 
your voice with that mic.

73, Jim K9YC
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[Elecraft] Microphone

[David Hay]

I want to buy a desk microphone for use with my K3, any recommendations?

Thanks

73 de David/M0TGC

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Re: [Elecraft] Microphone

[Gary Gregory]

Much overlooked perhaps...Turner Plus 3i found one in a sale for $25
and reports are all good.

Gary
Vk1ZZ
K3, KX3, KPA500-FT, KAT500-FT,P3.
On 10/02/2015 5:44 AM, Bob Gibson via Elecraft elecraft@mailman.qth.net
wrote:

 I sure would not pay anything over $100.00 for any Mic..Lots of good used
 ones out there for sale73s Bob W5RG

   From: Don Wilhelm w3...@embarqmail.com
  To: David Hay david...@hudsontech.co.uk; elecraft@mailman.qth.net
  Sent: Monday, February 9, 2015 1:01 PM
  Subject: Re: [Elecraft] Microphone

 Most any microphone can be used as long as it has the proper pinout on
 the mic plug.
 If you do not want to re-wire the plug, look at microphones for Kenwood.
 Heil has Kenwood adapters that work fine with the K3. but IMHO, Heil
 microphones are overpriced.

 73,
 Don W3FPR



 On 2/9/2015 1:26 PM, David Hay wrote:
  I want to buy a desk microphone for use with my K3, any recommendations?
 
 

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Re: [Elecraft] Microphone

[Jim Brown]

On Mon,2/9/2015 10:26 AM, David Hay wrote:

I want to buy a desk microphone for use with my K3, any recommendations?


Shure made some of the first high quality desk mics for radio, and they 
still make them. They were the first, I believe, to build in a peak 
around 3kHz to compensate for the rolloff of the SSB filter (in the 
1950s). Current model is the 450 Series II. The 444 is an earlier version.


These are dynamic mics, and last virtually forever. Buy them used for a 
third of the price. All that it takes to make them work with an Elecraft 
rig is a properly wired mic connector. And, of course, with a K3 or KX3, 
tweak TXEQ for your voice with that mic.


73, Jim K9YC
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Re: [Elecraft] Microphone

[Bob Gibson via Elecraft]

I sure would not pay anything over $100.00 for any Mic..Lots of good used ones 
out there for sale    73s Bob W5RG

  From: Don Wilhelm w3...@embarqmail.com
 To: David Hay david...@hudsontech.co.uk; elecraft@mailman.qth.net 
 Sent: Monday, February 9, 2015 1:01 PM
 Subject: Re: [Elecraft] Microphone
   
Most any microphone can be used as long as it has the proper pinout on 
the mic plug.
If you do not want to re-wire the plug, look at microphones for Kenwood.
Heil has Kenwood adapters that work fine with the K3. but IMHO, Heil 
microphones are overpriced.

73,
Don W3FPR



On 2/9/2015 1:26 PM, David Hay wrote:
 I want to buy a desk microphone for use with my K3, any recommendations?



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Re: [Elecraft] Microphone

[Jim Brown]

On Mon,2/9/2015 11:01 AM, Don Wilhelm wrote:
but IMHO, Heil microphones are overpriced. 


I consider them WILDY overpriced. Caps for emphasis. :)

73, Jim K9YC


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[Elecraft] Microphone settings K3

[PA2V]

Hello group.

 

I am using a headset microphone during contests connected to the rear
connector.

During normal operations I like my hand microphone most that is connected
to the front panel.

 

Both microphones have different elements and settings.

As far I could discover it is not possible to store different settings in
the K3 for the rear or front connector.

My only option so far would be to store the setup in the PC and upload the
one I need. (not very handy)

But wouldn't it be handy to store it in the K3?

Any ideas?

 

73, Peter PA2V

 

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Re: [Elecraft] Microphone settings K3

[Sam Morgan]

If you have the AM or FM filters installed
you have the ability to have 2 different equalizer settings
one for normal SSB
and one for ESSB

I have my normal SSB set up with DX styled audio and compression
the ESSB settings I have 3kc width with warmer QSO styled EQ settings


On 3/11/2014 12:12 PM, PA2V wrote:

Hello group.



I am using a headset microphone during contests connected to the rear
connector.

During normal operations I like my hand microphone most that is connected
to the front panel.



Both microphones have different elements and settings.

As far I could discover it is not possible to store different settings in
the K3 for the rear or front connector.

My only option so far would be to store the setup in the PC and upload the
one I need. (not very handy)

But wouldn't it be handy to store it in the K3?

Any ideas?
73, Peter PA2V



--
GB  73
K5OAI
Sam Morgan
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