Re: [Elecraft] Headphones

[Clay Autery]

I've been using a set of Sennheiser HD598SE phones for a couple of years 
now and love them, but I am in receipt TODAY
of a set of Sennheiser HD6XX phones from DROP (formerly Mass Drop).  
This model is a cooperative venture between Drop and Sennheiser
to provide near "flagship" performance, quality and comfort at a 
fraction of the cost.


I have used these before, and they are awesome, which is why I am 
willing to let go of my beloved HD598SE set. (Darling bride will use 
them on her

new i9-based 16 core desktop.

73,

__
Clay Autery, KY5G
(318) 518-1389

On 05/06/20 21:25, j...@kk9a.com wrote:

If you do not need a microphone, the Sony MDR-7506 that K9YC has mentioned
numerous times on this list is just awesome. These are high quality
headphones that sound great and are super comfortable. I use mine for all CW
and RTTY contests plus occasionally for other things around the house.

John KK9A

Mike Streeter wm5dx wrote:

I bought the Yamaha phones a couple of years ago. They were fine for a while
but the microphone was very loose and kept getting in the way and then the
foam earpiece covering all fell apart. So, when I thought about it, it
occurred to me that the younger generation that does a lot of gaming for
hours on end must need something that worked well and are comfortable for
long periods. I did a little research and then bought a "Pro Gamer" headset
HyperX Cloud. Not as cheap as the Yamaha but not as pricey as Heil. (I've
had Heil headsets over the years and never been really happy with them).
The real clincher was that the HyperX has a detachable microphone so now I
have something to stir my tea with. (The only use I have for it).
I am very pleased, they seem to perform well with the K3 and I find them
durable and comfortable. But, as someone else said, every person is
different.
73, Mike, WM5DX.

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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Brown]

On 5/6/2020 4:52 PM, Joe Subich, W4TV wrote:

A heavy, bulky, "head squeezer" for more than five times as much
as the CM500 ...


Yes. I tried them on when they first came out and found them to be an 
instrument of torture. Years later, after hearing guys rave about how 
comfy the were, I tried them on again, with the same result.


73, Jim K9YC
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Brown]

On 5/6/2020 3:08 PM, Fred Jensen wrote:
I guess all microphones tend to accentuate the bass as you get closer 
and closer, exactly the opposite of what you want for communications. 
Electrets seem to be fairly immune to this, the old classic RCA 44-BX 
was notorious for the effect.


That's a characteristic of nearly all DIRECTIONAL mics -- those that  On 
provide a single rear opening the capsule to cancel sound from the rear. 
Variable-D mics, virtually all of which today are made by Electro-Voice, 
have multiple openings along the "handle" of the mic body to provide the 
cancellation, and they have very little of that bass build-up. The 
earliest made by EV was the model 666, called "the Buchanan Hammer" 
because EV was in Buchanan, MI, and Lou Burroughs, who along with Al 
Kahn founded EV in the '30s, demonstrated the ruggedness of the new 666 
to broadcast conventions by driving nails with it.


When Lou wanted to retire, they sold the company to Gulton Industries. 
Al took his share and started Ten Tec, across the street from their mic 
and speaker factory in Sevierville, TN.  Al was K4FW. I worked him once, 
on CW, using one of his radios. I was mobile from a campground in AR.


Shure and AKG both made variable-D mics for several decades, but I don't 
think they still do. Modern variable-D mics are the EV RE10, RE11, RE15, 
RE16, RE18, and RE20. Last I looked, only the RE16 and RE20 were still 
in production, but there may be new models since I was active in the 
biz. The RE20 is quite popular as an announce mic.

https://www.electrovoice.com/product.php?id=91

I know of no variable-D electret mics.

5/6/2020 11:39 AM, Walter Underwood wrote:
> If I was going to upgrade my headset, I’d start with headsets used by 
sports broadcasters and ENG teams.


Those headsets are EXPENSIVE, the mics are low impedance PRO mics, and 
are designed to provide maximum noise rejection. IF they are electrets, 
they won't work with ham gear without a preamp that provides Phantom 
Power (NOT the same as bias).


73, Jim K9YC
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Re: [Elecraft] Headphones

[Gary K9GS]

I'll second the Sony for CW and non-voice modes.For SSB I love the Irad 
W1https://www.vibroplex.com/contents/en-us/d9164.htmlThey are fantastic and 
very comfortable. All that said,  headphone choice is a very personal one.  In 
particular the fit and comfort.I'm kind of a headphone/headset junkie.I also 
like the Yamaha and Koss a lot.73,Gary K9GS
 Original message From: j...@kk9a.com Date: 5/6/20  9:25 PM  
(GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: [Elecraft] Headphones If 
you do not need a microphone, the Sony MDR-7506 that K9YC has mentionednumerous 
times on this list is just awesome. These are high qualityheadphones that sound 
great and are super comfortable. I use mine for all CWand RTTY contests plus 
occasionally for other things around the house.John KK9AMike Streeter wm5dx 
wrote:I bought the Yamaha phones a couple of years ago. They were fine for a 
whilebut the microphone was very loose and kept getting in the way and then 
thefoam earpiece covering all fell apart. So, when I thought about it, 
itoccurred to me that the younger generation that does a lot of gaming forhours 
on end must need something that worked well and are comfortable forlong 
periods. I did a little research and then bought a "Pro Gamer" headsetHyperX 
Cloud. Not as cheap as the Yamaha but not as pricey as Heil. (I'vehad Heil 
headsets over the years and never been really happy with them).The real 
clincher was that the HyperX has a detachable microphone so now Ihave something 
to stir my tea with. (The only use I have for it).I am very pleased, they seem 
to perform well with the K3 and I find themdurable and comfortable. But, as 
someone else said, every person isdifferent.73, Mike, 
WM5DX.__Elecraft 
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Re: [Elecraft] Headphones

[john]

If you do not need a microphone, the Sony MDR-7506 that K9YC has mentioned
numerous times on this list is just awesome. These are high quality
headphones that sound great and are super comfortable. I use mine for all CW
and RTTY contests plus occasionally for other things around the house.

John KK9A

Mike Streeter wm5dx wrote:

I bought the Yamaha phones a couple of years ago. They were fine for a while
but the microphone was very loose and kept getting in the way and then the
foam earpiece covering all fell apart. So, when I thought about it, it
occurred to me that the younger generation that does a lot of gaming for
hours on end must need something that worked well and are comfortable for
long periods. I did a little research and then bought a "Pro Gamer" headset
HyperX Cloud. Not as cheap as the Yamaha but not as pricey as Heil. (I've
had Heil headsets over the years and never been really happy with them).
The real clincher was that the HyperX has a detachable microphone so now I
have something to stir my tea with. (The only use I have for it).
I am very pleased, they seem to perform well with the K3 and I find them
durable and comfortable. But, as someone else said, every person is
different.
73, Mike, WM5DX.

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[Elecraft] Headphones.

[Mike Streeter via Elecraft]

I bought the Yamaha phones a couple of years ago. They were fine for a while 
but the microphone was very loose and kept getting in the way and then the foam 
earpiece covering all fell apart. So, when I thought about it, it occurred to 
me that the younger generation that does a lot of gaming for hours on end must 
need something that worked well and are comfortable for long periods. I did a 
little research and then bought a "Pro Gamer" headset HyperX Cloud. Not as 
cheap as the Yamaha but not as pricey as Heil. (I've had Heil headsets over the 
years and never been really happy with them).
The real clincher was that the HyperX has a detachable microphone so now I have 
something to stir my tea with. (The only use I have for it).
I am very pleased, they seem to perform well with the K3 and I find them 
durable and comfortable. But, as someone else said, every person is different.
73, Mike, WM5DX.

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Re: [Elecraft] CM500 headset on K3S and KX3?

[K8TE]

I have used the CM500 for many years.  I have replaced the ear muffs with
Koss's version.  However, like Grant, I bought a RS60CF and have not looked
back.  Unlike Joe, I find them very comfortable, even after many hours in a
contest.  They cut out extraneous noise very well.  The K3 TX equalizer
provides excellent audio response.

I use a pair of CM500's for portable work.  So far, I've not had to use the
spare set in spite of a lot of use and abuse.  When we do Field Day for real
again, I will likely use the RS60CF set to cut down on the inevitable
background chatter the CM500 doesn't.

73, Bill, K8TE



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Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Joe Subich, W4TV]

On 2020-05-06 1:16 PM, Grant Youngman wrote:

> Replaced them eventually with an RS60CF, and never looked back.

A heavy, bulky, "head squeezer" for more than five times as much
as the CM500 ...

73,

   ... Joe, W4TV


On 2020-05-06 1:16 PM, Grant Youngman wrote:

I bought a pair of CM500’s when they became all the rage a few years ago.  
Never liked them.  The mic sounds ok, but they’re just too loosely-goosey a fit 
and I find them fiddly and not very stable on the head.  I used them for a 
while and tossed them into the pile of too much stuff I bought and don’t use.

Replaced them eventually with an RS60CF, and never looked back.  Cable sets for 
both the KX3 and K3(K4). And yes — I know there are a lot of people who don’t 
like those, either.  But I do.  All a matter of personal choice, I guess  :-)  
David Clark makes a small and inexpensive soft-case that fits them perfectly, 
too.

Grant NQ5T




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[Elecraft] KX-3 ERR TXG on 50MHz

[Drew Arnett]

Hi,

This radio has been problem free.  (And a heck of a lot of fun!!!)

I've never recalibrated anything, as per the manual, there has been no
need.  I have done FW upgrade at least once and that is currently
02.38/01.37.

Just started getting "ERR TXG" on 50 MHz.  Have seen several values in
the D=xxx message as well.

Manual has:
-
Error msg:  ERR TX

Problem:  Transmit gain constant out of range

Troubleshooting steps:  If this only occurs on one or two bands, there
could be a problem with a band-pass or low-pass filter. Also try
re-doing Transmit Gain calibration (pg. 33).
-

Did some bench testing with a dummy load.  I checked and problem only
occurs on 50 MHz.

Suspect degradation.  Would be nice to resolve before the June VHF!  :-)

Did not try redoing the transmit gain calibration, as the
troubleshooting steps suggests otherwise.

With tech support, got as far as the suggestion of reducing power
supply sag.  Did have some IR drop, especially on 50 MHz, so swapped
for lower IR drop power supply cable.  Confirmed bench supply itself
isn't sagging.

So, what I measure now:

At 28 MHz RX mode measures 13.60 V on DMM (on outside of DC coaxial
power plug), 13.8 V on KX3 meter, and 0.17 A on KX3 meter.

At 28 MHz TX constant 4 W carrier measures 13.55 V on DMM (on outside
of DC coaxial power plug), 13.4 V on KX3 meter, 2.18 A on KX3 meter
and 1.2 to 1 VSWR on KX3 meter.

At 50 MHz RX mode measures 13.60 V on DMM,  13.8 V on KX3,  0.19 A on KX3.

At 50 MHz TX constant 4 W carrier measures 13.53 V on DMM, 13.3 V on
KX3, 2.9 A on KX3 and 1.6 to 1 VSWR on KX3 meter.

VSWR is better of course below 28 MHz.  (Microwave dummy load.)

Of course, I don't have baseline measurements from when I first
received the radio to compare against.  If anyone can make similar
measurements of their KX3 for comparison, that would be very
interesting.  Want to know about TX current draw and the 1.6 to 1
VSWR.

Manual specs "1 to 2 A typical in transmit".  Current is on the high
side of that at 28 MHz even with the power backoff.  3A on 50 MHz,
though?  And, yes, the PA temp climbs quite quickly.

Needs to go in for repair?  No problem with that if that's the thing
to do.  (Schedule is probably too tight for June VHF, and I'm sure the
stay at home order doesn't help.)  I can do some trouble shooting and
component swap here, no problem.  My biggest limitations are time
(work seems even busier with stay at home) and lack of a body of
knowledge regarding this specific radio.  I haven't popped it open for
visual inspection, yet.  Probably should do that especially around the
6m filters and the active and electromechanical RF switches.

If I don't have a backup rig, I'm either not a serious contester, or
i'm wating for a K4.  Not sure.  :-)  Again, this radio has been a ton
of fun!  A little sad to run into my first problem with it, but it's a
field radio, and I don't expect miracles.

Thanks in advance,

Drew
n7da
San Diego
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Re: [Elecraft] Earpads Shedding

[W3AB]

Ask Dr Google find you earpad covers. Or send a SASE envelope with$1 of stamps 
on it & I'll send you a couple pairs.

...earpads are flaking pretty badly, leaving little back bits around the home 
office/shack

⁣___
Sent from my two way wrist watch
73 de W3AB/GEO​

On May 6, 2020, 14:37, at 14:37, elecraft-requ...@mailman.qth.net wrote:
>Send Elecraft mailing list submissions to
>   elecraft@mailman.qth.net
>
>To subscribe or unsubscribe via the World Wide Web, visit
>   http://mailman.qth.net/mailman/listinfo/elecraft
>or, via email, send a message with subject or body 'help' to
>   elecraft-requ...@mailman.qth.net
>
>You can reach the person managing the list at
>   elecraft-ow...@mailman.qth.net
>
>When replying, please edit your Subject line so it is more specific
>than "Re: Contents of Elecraft digest..."
>
>
>Today's Topics:
>
>   1. Re: CM500 headset on K3S and KX3? (Grant Youngman)
>   2. CM500 Adapter (Troy Davis)
>   3. K3 current draw (David Thompson)
>   4. Re: CM500 headset on K3S and KX3? (Jim Brown)
>   5. Re: Earpads Shedding (Tommy Judson)
>   6. Re: Upper limits of KPA500? (Tom Azlin W7SUA)
>   7. Re: Upper limits of KPA500? (Bob McGraw K4TAX)
>   8. Re: CM500 Adapter (Josh Fiden)
>   9. Re: Earpads Shedding (Tom Morehouse)
>  10. Re: Upper limits of KPA500? (Macy monkeys)
>  11. Re: CM500 headset on K3S and KX3? (Walter Underwood)
>  12. Re: CM500 headset on K3S and KX3? (Jim Brown)
>  13. Re: CM500 headset on K3S and KX3? (j...@kk9a.com)
>  14. Re: CM500 Adapter (Walter Underwood)
>  15. Re: CM500 Adapter (Jim Rhodes)
>  16. Re: CM500 headset on K3S and KX3? (Jim Rhodes)
>  17. Re: Earpads Shedding (W0FK)
>  18. Re: Earpads Shedding (Jim Bruce)
>  19. K3/0 (Mike Zak)
>  20. Elecraft K2 7855, alignment and test part II,bad PLL
>  frequency. (Christophe GIBERT)
>  21. Re: CM500 headset on K3S and KX3? (Josh Fiden)
>  22. Re: Earpads Shedding (tony@verizon.net)
>  23. Re: CM500 headset on K3S and KX3? (Charlie T)
>  24. Re: Elecraft K2 7855, alignment and test part II, bad PLL
>  frequency. (Don Wilhelm)
>
>
>--
>
>Message: 1
>Date: Wed, 6 May 2020 13:16:17 -0400
>From: Grant Youngman 
>To: Elecraft Refl 
>Subject: Re: [Elecraft] CM500 headset on K3S and KX3?
>Message-ID: 
>Content-Type: text/plain;  charset=utf-8
>
>I bought a pair of CM500?s when they became all the rage a few years
>ago.  Never liked them.  The mic sounds ok, but they?re just too
>loosely-goosey a fit and I find them fiddly and not very stable on the
>head.  I used them for a while and tossed them into the pile of too
>much stuff I bought and don?t use.
>
>Replaced them eventually with an RS60CF, and never looked back.  Cable
>sets for both the KX3 and K3(K4). And yes ? I know there are a lot of
>people who don?t like those, either.  But I do.  All a matter of
>personal choice, I guess  :-)  David Clark makes a small and
>inexpensive soft-case that fits them perfectly, too.
>
>Grant NQ5T
>
>> On May 6, 2020, at 12:53 PM, Walter Underwood 
>wrote:
>> 
>> My CM500?s earpads are flaking pretty badly, leaving little back bits
>around the home office/shack. 
>
>
>--
>
>Message: 2
>Date: Wed, 6 May 2020 17:24:58 +
>From: Troy Davis 
>To: "elecraft@mailman.qth.net" 
>Subject: [Elecraft] CM500 Adapter
>Message-ID:
>   
> 
>   
>Content-Type: text/plain; charset="Windows-1252"
>
>https://www.ebay.com/itm/351072109250
>
>?
>Troy Davis
>K4JDA
>
>
>
>--
>
>Message: 3
>Date: Wed, 6 May 2020 10:33:08 -0700
>From: David Thompson 
>To: Elecraft Reflector 
>Subject: [Elecraft] K3 current draw
>Message-ID: <98ea5364-55f4-49ca-aa0a-16f00e034...@me.com>
>Content-Type: text/plain;  charset=utf-8
>
>Morning group,
>
>After spending some time searching, I cannot find a table of measured
>current draw versus power output for the K3. I?m working on how much
>battery I need for portable ops and this information would be good so I
>can estimate the energy requirements for my system.
>
>There is an old pointer to the K9XC website, which has apparently gone
>away. So, any help would be appreciated. If the work has already been
>done, I?m not interested in doing my own experiments.
>
>Best...
>
>David Thompson, AG7TX
>Jack of All Trades
>Master of None
>dbthomp...@me.com
>
>
>
>
>
>
>--
>
>Message: 4
>Date: Wed, 6 May 2020 10:54:02 -0700
>From: Jim Brown 
>To: elecraft@mailman.qth.net
>Subject: Re: [Elecraft] CM500 headset on K3S and KX3?
>Message-ID:
>   <482da1df-14db-90ca-64a4-afe995ba9...@audiosystemsgroup.com>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>On 5/6/2020 9:53 AM, Walter Underwood wrote:
>> Comments on my blog post suggested the Koss SB45 as another
>alternative. This also has an electret mic, but somewhat different fit
>over the ears, and it is cheaper.
>> 
>>

Re: [Elecraft] CM500 headset on K3S and KX3?

[Fred Jensen]

History is more than a little ambiguous. Wikipedia ascribes the "first 
high-powered" Talk Box to Bob Heil [K9EID] for Joe Walsh, [WB6ACU] which 
was a 250 watt amp + hi-pass filter.  However, Walsh credits an EE and 
steel guitarist [Bill West] with inventing it.


Peter Townshend claims to have invented a version of the Talk Box during 
a Who tour in 1976.  However, Bob Heil sold the manufacturing rights to 
Dunlop Mfr. building them to Heil's 1973 design standards.  Peter 
Frampton says he first heard a Talk Box in 1970, and that Bob Heil gave 
him a custom built one as a Christmas present in 1974.  He became 
proficient at it and is now often associated with it.  It appears that 
every musical performer since then has used a Talk Box and at least a 
few assert invention.


I use a Heil ProSet IC however I'm rarely on SSB.  When I have been on, 
I often get unsolicited "great audio" comments, no doubt because of my 
sonorous broadcast voice as much as the proset. [:=)  I use a CM-500 
when operating W7RN remotely but I've never done phone remote.  I find 
the ProSet to be a little easier on the ears with prolonged use than the 
CM-500, but both work well for me.  As has been mentioned, a lot depends 
on how you place the mic and how you tailor the TX response and 
compression.  I guess all microphones tend to accentuate the bass as you 
get closer and closer, exactly the opposite of what you want for 
communications. Electrets seem to be fairly immune to this, the old 
classic RCA 44-BX was notorious for the effect.


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County


On Wed, May 6, 2020, 13:51  wrote:


Interesting that Heil is not represented commercially. I believe that
Bob Heil invented the talk box that Peter Frampton made famous. I use
a Sony MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for SSB.

John KK9A



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Re: [Elecraft] "2" or "3" Paddle

[Chris R. NW6V]

Hiya Tommy.

I own both the KXPD2 and KXPD3 and strongly prefer the KXPD2.

The KXPD3 was bought at the same time as my KX3 and served well for several
years. However I never "liked" it - found it clunky to send on and the
sharp edge of the paddles bit into my fingers, so I was on the lookout...

Then I tried the KPXPD2 at SeaPAC - and bought one on the spot. I have
never used the KXPD3 again.

As a point of reference, here in the home shack my preferred sending
implements are not paddles at all, but Vibroplex Lightning Bugs - of which
four sit on my desk as I type this...

As always, YMMV :-)

73 Chris NW6V
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Re: [Elecraft] Elecraft K2 7855, alignment and test part II, bad PLL frequency.

[Don Wilhelm]

Chris,

Your English is much better than my French!  I hope you can understand 
the following:


You have a Q19 that is not willing to work at the high frequency end of 
the PLL range.


The proper thing to do is replace Q19 with a J310 FET that is better. 
Order one from Elecraft (email to supp...@elecraft.com) with the part 
number.


What you can try is to add a small value capacitor (12 or 15pF) from U4 
pin 1 to U4 pin 12 (ground) to see if that restores proper function.  If 
you do not have a stock of small capacitors, use the 12pF in the K2 kit 
which you have not yet installed and order a replacement from Elecraft.


Proper functioning thru-hole J310s have been a problem since Elecraft 
ran out of the old ones and found that they had been discontinued by the 
manufacturer.


I know of one ham in Europe who used an SMD J310 as a replacement - but 
if you consider that, know that the basing is not the same and you would 
have to go from the data sheet to know which pin to connect to the 
holes.  He mounted it on the bottom of the board.


73,
Don W3FPR

On 5/6/2020 4:44 PM, Christophe GIBERT wrote:

Hi! First of all, sorry for my poor english, i’m french ;-)

I’m building my k2 number 7855.

In the first step of the 4mhz oscillator calibration, i get a frequency of 
00500.00 instead of 12090.00

When i press BAND + : 00475.00 and BAND - : 12085.43 (stable).

I’ve tested probe on TP2, I’d 4913.52

I reviewed all components in the pll schematics and nothing seems wrong.

Please help me, i don’t know what to look for now.

Thanks a lot.

—
Chris
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Charlie T]

If you can find them, "velour" pads are GREAT. 
Very comfortable, Softer and NO flaking.
I replaced the pads on my Sony MDR-7506's with them.
I especially like these Sony's since they have excellent high frequency 
response (better than the CM500's) which is perfect for my high freq hearing 
loss.
Not sure if they'll fit, but somebody out there must make velour pads for the 
CM500's.

73, Charlie k3ICH




-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Walter Underwood
Sent: Wednesday, May 06, 2020 12:53 PM
To: Elecraft Mailing List 
Subject: Re: [Elecraft] CM500 headset on K3S and KX3?

My CM500’s earpads are flaking pretty badly, leaving little back bits around 
the home office/shack. They still work fine. I purchased them in December 2012. 
I see that the same order has Eneloop XX batteries and a LowePro Edit 140 case, 
so that was all ordered to go with my brand-new KX3.

Comments on my blog post suggested the Koss SB45 as another alternative. This 
also has an electret mic, but somewhat different fit over the ears, and it is 
cheaper.

https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW

Do not get the Koss SB40. That is the same headset as the Yamaha CM500, but 
with an inferior dynamic mic.

The mic connector on my Yamaha CM500 is labeled “KOSS”, for what that’s worth. 
I noticed that when choosing photos for my blog post.

It is normal for earpads to wear out. I replaced the pads on my Grado SR225e 
phones after five years.

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

> On May 6, 2020, at 8:25 AM, N2TK via Elecraft  
> wrote:
> 
> I bought replacement ear pad cushions and earpad covers for Koss UR20, 
> headphones on eBay a while back for $14.24. They fit the CM500 fine. A pain 
> to change but worth it.
> I have had very good results with CM500. They fit my head better than the 
> Heil's which were too tight. I would rather have a material cover which I 
> find more comfortable for wearing for many hours in a contest. I use a 
> quarter of a paper towel between the headset cushions and my ears. That works 
> fine.
> And the CM500's are so cheap I bought a spare, just in case.
> N2TK, Tony
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
>  On Behalf Of Wes
> Sent: Tuesday, May 5, 2020 9:45 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] CM500 headset on K3S and KX3?
> 
> The failures I have are the ear pads disintegrate.  Someone said Koss pads 
> could work but that hasn't been my experience. I've found some '500s at 
> estate sales where I snap them up.  Currently the law firm where my fiance is 
> employed is working from home and she's using a set on her computer to 
> "attend" on-line meetings.  I guess I can add "IT Manager" to my resume, 
> since I'm helping her with her connections.  I second the use of VOX.
> 
> Wes  N7WS
> 
> On 5/5/2020 5:32 PM, Jim Brown wrote:
>> On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote:
>>> For what its worth and everyones milage will vary, I had a brand new
>>> CM500 that I used for a week of hard operating while on a pretty 
>>> island and the boom came loose after a couple of days.
>> 
>> Your experience is unusual. In about 11 years, the only thing that 
>> has ever gone wrong with my CM500s have been a broken cable, which, 
>> unfortunately, is not replaceable. I'm kind of a klutz, so I'm hard 
>> on cables, dropping them, kicking them, etc. Perhaps it got broken in 
>> shipping?
>> 
>> I've never used anything but VOX for SSB and digital modes. That's 
>> always worked just fine as long as there's not loud noise (like when 
>> the XYL walks through the shack and lets the screen door slam). :)
>> 
>> 73, Jim K9YC
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Re: [Elecraft] Earpads Shedding

[N2TK via Elecraft]

Jim,
Do you remember what ones you got for the CM500?
Tnx
N2TK, Tony

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Jim Bruce
Sent: Wednesday, May 6, 2020 4:31 PM
To: elecraft@mailman.qth.net; tso...@icloud.com
Subject: Re: [Elecraft] Earpads Shedding

I went online and got packs of the cloth headphone earmuff covers for mine. 
Work good, washable, stretchable, several in a pack, inexpensive. 
I got a small pack and large pack. large covers the yamaha 500 headphones well. 
 Smaller ones cover the cheaper music headphones.

Jim/W3FA

On 5/6/2020 13:58, Tommy Judson via Elecraft wrote:
> ...earpads are flaking pretty badly, leaving little back bits around 
> the home office/shack…
>
> Took me a while to realize it was my earpads shedding, glad to read this 
> isn’t an isolated occurrence.  Now how to remedy that problem?
>
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Josh Fiden]

The talk box predates the Heil version that Frampton used. 

Sent from my mobile device

> On May 6, 2020, at 11:51 AM, j...@kk9a.com wrote:
> 
> Interesting that Heil is not represented commercially. I believe that Bob 
> Heil invented the talk box that Peter Frampton made famous. I use a Sony 
> MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for SSB.
> 

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[Elecraft] Elecraft K2 7855, alignment and test part II, bad PLL frequency.

[Christophe GIBERT]

Hi! First of all, sorry for my poor english, i’m french ;-)

I’m building my k2 number 7855. 

In the first step of the 4mhz oscillator calibration, i get a frequency of 
00500.00 instead of 12090.00 

When i press BAND + : 00475.00 and BAND - : 12085.43 (stable).

I’ve tested probe on TP2, I’d 4913.52

I reviewed all components in the pll schematics and nothing seems wrong. 

Please help me, i don’t know what to look for now.

Thanks a lot.

— 
Chris
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[Elecraft] K3/0

[Mike Zak]

Would like to purchase one of the old K3/0 control heads.  I’m looking for one 
of the early versions, not the later K3/0-mini.  Tnx.

Mike, W1MU




Michael J. Zak
m...@brookblue.com


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Re: [Elecraft] Earpads Shedding

[Jim Bruce]

I went online and got packs of the cloth headphone earmuff covers for 
mine. Work good, washable, stretchable, several in a pack, inexpensive. 
I got a small pack and large pack. large covers the yamaha 500 
headphones well.  Smaller ones cover the cheaper music headphones.


Jim/W3FA

On 5/6/2020 13:58, Tommy Judson via Elecraft wrote:

...earpads are flaking pretty badly, leaving little back bits around the home 
office/shack…

Took me a while to realize it was my earpads shedding, glad to read this isn’t 
an isolated occurrence.  Now how to remedy that problem?

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Re: [Elecraft] Earpads Shedding

[W0FK]

What headphones do you have? If Heil or RadioSport, they have replacement
pads you can purchase. In my experience, once the vinyl starts to flake, you
are doomed to having them continue to make a mess even if you cover them
with a slipcover. 

Lou, W0FK



-
St. Louis, MO

"The difference between stupidity and genius is that 
genius has its limits." Albert Einstein


--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Rhodes]

Over the years I have worn out 2 of the SB-40s and always had good audio
reports. You can sound terrible on any mike if they aren't used correctly.

On Wed, May 6, 2020, 13:51  wrote:

> Interesting that Heil is not represented commercially. I believe that
> Bob Heil invented the talk box that Peter Frampton made famous. I use
> a Sony MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for SSB.
>
> John KK9A
>
> Jim Brown K9YC wrote:
>
> Heil products are an example of better sound through marketing. They're
> more expensive because they spend a lot of money on advertising to
> convince hams they're worth it. They also claim to make pro mics. I've
> been a member of the AES Standards Committee WG on microphones for more
> than 25 years, in which virtually all major microphone companies are
> represented. No one from the company is listed as a member, and I've
> never met Bob Heil or anyone from his company. Hams seem to think that
> because he did sound for a major rock band that his mics were good.
>
> 73, Jim K9YC
>
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Re: [Elecraft] CM500 Adapter

[Jim Rhodes]

The Amazon one is what I have had for several years. Works a charm and just
little cheaper!


On Wed, May 6, 2020, 14:06 Walter Underwood  wrote:

> $35 is too much for this mic adapter. It probably reflects the small lot
> manufacturing cost, but you don’t need to pay that.
>
> This adapter costs $5.45 and does the same thing.
>
> https://smile.amazon.com/gp/product/B68O5H/
>
> The KX3 mic connection is TRRS, but Ring 2 and Sleeve are both connected
> to ground. They are labeled mic ground and logic ground, but they are tied
> together inside the radio, so a TRS plug works just fine. The wiring detail
> is from the Fred Cady book.
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>
> > On May 6, 2020, at 10:24 AM, Troy Davis  wrote:
> >
> > https://www.ebay.com/itm/351072109250
> >
> > —
> > Troy Davis
> > K4JDA
> >
> > __
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Re: [Elecraft] CM500 Adapter

[Walter Underwood]

$35 is too much for this mic adapter. It probably reflects the small lot 
manufacturing cost, but you don’t need to pay that.

This adapter costs $5.45 and does the same thing.

https://smile.amazon.com/gp/product/B68O5H/

The KX3 mic connection is TRRS, but Ring 2 and Sleeve are both connected to 
ground. They are labeled mic ground and logic ground, but they are tied 
together inside the radio, so a TRS plug works just fine. The wiring detail is 
from the Fred Cady book.

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

> On May 6, 2020, at 10:24 AM, Troy Davis  wrote:
> 
> https://www.ebay.com/itm/351072109250
> 
> —
> Troy Davis
> K4JDA
> 
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Re: [Elecraft] CM500 headset on K3S and KX3?

[john]

Interesting that Heil is not represented commercially. I believe that  
Bob Heil invented the talk box that Peter Frampton made famous. I use  
a Sony MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for SSB.


John KK9A

Jim Brown K9YC wrote:

Heil products are an example of better sound through marketing. They're
more expensive because they spend a lot of money on advertising to
convince hams they're worth it. They also claim to make pro mics. I've
been a member of the AES Standards Committee WG on microphones for more
than 25 years, in which virtually all major microphone companies are
represented. No one from the company is listed as a member, and I've
never met Bob Heil or anyone from his company. Hams seem to think that
because he did sound for a major rock band that his mics were good.

73, Jim K9YC

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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Brown]

Probably like Baufong radios, rip-offs of someone else's product. No, 
I've never heard of it. A story.


A colleague in pro audio, excellent engineer, designer of sound systems 
in the US Senate, House, and White House, wanted to do a good deed for 
rock and roll churches who used a lot of mics. He imported mics from a 
company in China. Samples were great, so he placed an order. Production 
quality was VERY different. Like Baufong, we're talking $40-$60 for mics 
competing with EU mics that sell for $1,000 - $1,500.


Quality companies like Shure and Switchcraft have long huge problems 
with counterfeits of their products, and counterfeit mechanical and 
structural parts have long been a problem for manufacturers. I remember 
reading about that in the aircraft industry more than a decade ago.


73, Jim K9YC

On 5/6/2020 5:32 AM, Lyn Norstad wrote:

There is a (presumably Chinese) mic known as the BM800 which is marketed
under several different names.  I am currently using one on a boom with
shock mount, wind screen and foot switch just because I like hands-free
operation ... and am too frugal (i.e.: cheap) to spend the $$ for a Heil
equivalent.

Are you familiar with this mic, and what are your thoughts?  I get excellent
reports with it on my (non-Elecraft) rig.


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Re: [Elecraft] CM500 headset on K3S and KX3?

[Walter Underwood]

> On May 6, 2020, at 10:54 AM, Jim Brown  wrote:
> 
>> Do not get the Koss SB40. That is the same headset as the Yamaha CM500, but 
>> with an inferior dynamic mic.
> 
> There is nothing inherently inferior about dynamic mics, especially for 
> speech -- the vast majority of mics used in sound reinforcement and 
> broadcasting are dynamic mics. But like any technology, some products are 
> better than others.

Of course. This particular headset has an inferior dynamic mic, according to 
reviews. At this price point, I’d expect electrets to be the best performers.

If I was going to upgrade my headset, I’d start with headsets used by sports 
broadcasters and ENG teams. Is it still called “electronic news gathering”?

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)
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Re: [Elecraft] Upper limits of KPA500?

[Macy monkeys]

I ragchew on CW and have my KPA500 fan set on level 2 as a default. I don't 
really keep an eye on the temp. When I hear fan level 3 kick in, that's my cue 
I've been too longed winded and time to turn it over :)

John K7FD


> On May 6, 2020, at 11:03 AM, Tom Azlin W7SUA  wrote:
> 
> Hi Dave,
> 
> I run around 100-150 watts out of my KPA500 using 5-7 watts from my K3 with 
> the KPA500 hitting 70C using Olivia during nets. I assume could go to 250 but 
> never needed that much power. Does not seem to be a problem with temps above 
> 70c. Also run up to 500w PEP using SSB when needed.
> 
> I did hear Wayne say run full power RTTY with no fear.
> 
> 73, tom w7sua
> 
> 
> 
> 
> 
>> On 5/3/2020 1:26 PM, Dave Cole wrote:
>> Hello,
>> I just got the new MMSSTV software, and will be running a bit of SSTV. SSTV 
>> is 100% duty cycle.
>> Initial testing here indicates no power level is safe...  At 150 watts the 
>> KPA500 reaches 70C pretty fast, in under two minutes, and 70C is my upper 
>> limit for testing...  At 500 watts it reaches 70C in about the same time...
>> Can I assume the amp is not the most efficient thing in the world at 200 
>> watts?
>> If the KPA500 can't deal with 100% duty cycle, for two minutes, how does the 
>> K3 deal with 100 watts for two minutes, at 100% duty cycle?
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Re: [Elecraft] Earpads Shedding

[Tom Morehouse via Elecraft]

Here’s my solution:
Garfield Headphone Softie Earpad Covers (Black, Pair) $17.00  


from B: 
https://www.bhphotovideo.com/c/product/368310-REG/Garfield_SGARHS1_Headphone_Softie_Earpad.html
 


Works well…
73

Tom K4AEN
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Re: [Elecraft] CM500 Adapter

[Josh Fiden]

$35 ? Ouch. $5 in parts and break out the soldering iron! Mouser has these 
connectors for $1.50-ish each. 

73
Josh W6XU 

Sent from my mobile device

> On May 6, 2020, at 10:25 AM, Troy Davis  wrote:
> 
> https://www.ebay.com/itm/351072109250
> 
> —
> 

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Re: [Elecraft] Upper limits of KPA500?

[Bob McGraw K4TAX]

As long as one stays within the duty cycle times limits, no problem.

Do note that some antenna system which are lower impedance will require 
the amp to draw more current for a given amount of power. And it does 
vary from band to band.    The attached EXCEL spreadsheet should be of 
interest regarding lower power operation.


73

Bob, K4TAX


On 5/6/2020 1:03 PM, Tom Azlin W7SUA wrote:

Hi Dave,

I run around 100-150 watts out of my KPA500 using 5-7 watts from my K3 
with the KPA500 hitting 70C using Olivia during nets. I assume could 
go to 250 but never needed that much power. Does not seem to be a 
problem with temps above 70c. Also run up to 500w PEP using SSB when 
needed.


I did hear Wayne say run full power RTTY with no fear.

73, tom w7sua





On 5/3/2020 1:26 PM, Dave Cole wrote:

Hello,

I just got the new MMSSTV software, and will be running a bit of 
SSTV. SSTV is 100% duty cycle.


Initial testing here indicates no power level is safe...  At 150 
watts the KPA500 reaches 70C pretty fast, in under two minutes, and 
70C is my upper limit for testing...  At 500 watts it reaches 70C in 
about the same time...


Can I assume the amp is not the most efficient thing in the world at 
200 watts?


If the KPA500 can't deal with 100% duty cycle, for two minutes, how 
does the K3 deal with 100 watts for two minutes, at 100% duty cycle?



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Re: [Elecraft] Upper limits of KPA500?

[Tom Azlin W7SUA]

Hi Dave,

I run around 100-150 watts out of my KPA500 using 5-7 watts from my K3 
with the KPA500 hitting 70C using Olivia during nets. I assume could go 
to 250 but never needed that much power. Does not seem to be a problem 
with temps above 70c. Also run up to 500w PEP using SSB when needed.


I did hear Wayne say run full power RTTY with no fear.

73, tom w7sua





On 5/3/2020 1:26 PM, Dave Cole wrote:

Hello,

I just got the new MMSSTV software, and will be running a bit of SSTV. 
SSTV is 100% duty cycle.


Initial testing here indicates no power level is safe...  At 150 watts 
the KPA500 reaches 70C pretty fast, in under two minutes, and 70C is my 
upper limit for testing...  At 500 watts it reaches 70C in about the 
same time...


Can I assume the amp is not the most efficient thing in the world at 200 
watts?


If the KPA500 can't deal with 100% duty cycle, for two minutes, how does 
the K3 deal with 100 watts for two minutes, at 100% duty cycle?



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Re: [Elecraft] Earpads Shedding

[Tommy Judson via Elecraft]

...earpads are flaking pretty badly, leaving little back bits around the home 
office/shack…

Took me a while to realize it was my earpads shedding, glad to read this isn’t 
an isolated occurrence.  Now how to remedy that problem?

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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Brown]

On 5/6/2020 9:53 AM, Walter Underwood wrote:

Comments on my blog post suggested the Koss SB45 as another alternative. This 
also has an electret mic, but somewhat different fit over the ears, and it is 
cheaper.

https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW


K6LL, a serious contester, likes this headset. I noted this in a piece I 
wrote several years ago for National Contest Journal. GM3SEK reported 
that Yamaha products are not sold in the UK, and that his wife likes the 
lighter weight Koss CS100 headset.

http://k9yc.com/ContestAudio.pdf


Do not get the Koss SB40. That is the same headset as the Yamaha CM500, but 
with an inferior dynamic mic.


There is nothing inherently inferior about dynamic mics, especially for 
speech -- the vast majority of mics used in sound reinforcement and 
broadcasting are dynamic mics. But like any technology, some products 
are better than others.

It is normal for earpads to wear out. I replaced the pads on my Grado SR225e 
phones after five years.


Yes. I replace earpads on my Sony MDR7506 periodically.

For many things we wear, comfort can be important, and, with headsets, 
that depends on the size and shape of our heads and even our ears, as 
well as the design and manufacturing quality of the headset. For many 
years, I've slept wearing Sony MDR7506 phones listening to jazz, and I 
also use them working CW-only contests. I find the CM500 equally 
comfortable.


73, Jim K9YC
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[Elecraft] K3 current draw

[David Thompson via Elecraft]

Morning group,

After spending some time searching, I cannot find a table of measured current 
draw versus power output for the K3. I’m working on how much battery I need for 
portable ops and this information would be good so I can estimate the energy 
requirements for my system.

There is an old pointer to the K9XC website, which has apparently gone away. 
So, any help would be appreciated. If the work has already been done, I’m not 
interested in doing my own experiments.

Best...

David Thompson, AG7TX
Jack of All Trades
Master of None
dbthomp...@me.com




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[Elecraft] CM500 Adapter

[Troy Davis]

https://www.ebay.com/itm/351072109250

—
Troy Davis
K4JDA

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Re: [Elecraft] CM500 headset on K3S and KX3?

[Grant Youngman]

I bought a pair of CM500’s when they became all the rage a few years ago.  
Never liked them.  The mic sounds ok, but they’re just too loosely-goosey a fit 
and I find them fiddly and not very stable on the head.  I used them for a 
while and tossed them into the pile of too much stuff I bought and don’t use.

Replaced them eventually with an RS60CF, and never looked back.  Cable sets for 
both the KX3 and K3(K4). And yes — I know there are a lot of people who don’t 
like those, either.  But I do.  All a matter of personal choice, I guess  :-)  
David Clark makes a small and inexpensive soft-case that fits them perfectly, 
too.

Grant NQ5T

> On May 6, 2020, at 12:53 PM, Walter Underwood  wrote:
> 
> My CM500’s earpads are flaking pretty badly, leaving little back bits around 
> the home office/shack. 
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Walter Underwood]

My CM500’s earpads are flaking pretty badly, leaving little back bits around 
the home office/shack. They still work fine. I purchased them in December 2012. 
I see that the same order has Eneloop XX batteries and a LowePro Edit 140 case, 
so that was all ordered to go with my brand-new KX3.

Comments on my blog post suggested the Koss SB45 as another alternative. This 
also has an electret mic, but somewhat different fit over the ears, and it is 
cheaper.

https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW

Do not get the Koss SB40. That is the same headset as the Yamaha CM500, but 
with an inferior dynamic mic.

The mic connector on my Yamaha CM500 is labeled “KOSS”, for what that’s worth. 
I noticed that when choosing photos for my blog post.

It is normal for earpads to wear out. I replaced the pads on my Grado SR225e 
phones after five years.

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

> On May 6, 2020, at 8:25 AM, N2TK via Elecraft  
> wrote:
> 
> I bought replacement ear pad cushions and earpad covers for Koss UR20, 
> headphones on eBay a while back for $14.24. They fit the CM500 fine. A pain 
> to change but worth it.
> I have had very good results with CM500. They fit my head better than the 
> Heil's which were too tight. I would rather have a material cover which I 
> find more comfortable for wearing for many hours in a contest. I use a 
> quarter of a paper towel between the headset cushions and my ears. That works 
> fine.
> And the CM500's are so cheap I bought a spare, just in case.
> N2TK, Tony
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net  On 
> Behalf Of Wes
> Sent: Tuesday, May 5, 2020 9:45 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] CM500 headset on K3S and KX3?
> 
> The failures I have are the ear pads disintegrate.  Someone said Koss pads 
> could work but that hasn't been my experience. I've found some '500s at 
> estate sales where I snap them up.  Currently the law firm where my fiance is 
> employed is working from home and she's using a set on her computer to 
> "attend" on-line meetings.  I guess I can add "IT Manager" to my resume, 
> since I'm helping her with her connections.  I second the use of VOX.
> 
> Wes  N7WS
> 
> On 5/5/2020 5:32 PM, Jim Brown wrote:
>> On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote:
>>> For what its worth and everyones milage will vary, I had a brand new 
>>> CM500 that I used for a week of hard operating while on a pretty 
>>> island and the boom came loose after a couple of days.
>> 
>> Your experience is unusual. In about 11 years, the only thing that has 
>> ever gone wrong with my CM500s have been a broken cable, which, 
>> unfortunately, is not replaceable. I'm kind of a klutz, so I'm hard on 
>> cables, dropping them, kicking them, etc. Perhaps it got broken in shipping?
>> 
>> I've never used anything but VOX for SSB and digital modes. That's 
>> always worked just fine as long as there's not loud noise (like when 
>> the XYL walks through the shack and lets the screen door slam). :)
>> 
>> 73, Jim K9YC
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>> wes_n...@triconet.org
> 
> 
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Re: [Elecraft] Elecraft Technical Support

[Eric Swartz]

Also note that support is normally active during 8am-5pm West Coast time 
Monday-Friday. 

Monday and Tuesday are typically our support heaviest load as we digest support 
requests and calls from late on Friday through the weekend,  causing a bit more 
delay in response time.

Eric
elecraft.com
_..._



> On May 6, 2020, at 5:42 AM, Edward Seeliger  wrote:
> 
> Has online Elecraft Technical Support stopped?
> I was in email contact with them trying to resolve a problem with my K3 (lack 
> of analog audio in through the KIO3B module LINE IN port to the K3 for 
> digital modes) when emails ended with no further replies to my emails since 
> last Thursday.
> The problem is not yet resolved.
> Edd - KD5M
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Re: [Elecraft] Elecraft Technical Support

[Eric Swartz]

We're still here and Elecraft support is definitely active:-)

Rob, Doug and and the rest of our support team are working remotely from home, 
primarily via email.  As a result of the shelter in place requirements 
currently through the end of May, and the inefficiencies that creates, our 
response times are longer, so please be patient with us. 

Our email/call volume (and orders!) are actually higher than normal. Must be 
due to everyone having more time for ham radio as they shelter in place at home!

73,

Eric
elecraft.com
_..._

> On May 6, 2020, at 5:42 AM, Edward Seeliger  wrote:
> 
> Has online Elecraft Technical Support stopped?
> I was in email contact with them trying to resolve a problem with my K3 (lack 
> of analog audio in through the KIO3B module LINE IN port to the K3 for 
> digital modes) when emails ended with no further replies to my emails since 
> last Thursday.
> The problem is not yet resolved.
> Edd 
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Re: [Elecraft] CM500 headset on K3S and KX3?

[N2TK via Elecraft]

I bought replacement ear pad cushions and earpad covers for Koss UR20, 
headphones on eBay a while back for $14.24. They fit the CM500 fine. A pain to 
change but worth it.
I have had very good results with CM500. They fit my head better than the 
Heil's which were too tight. I would rather have a material cover which I find 
more comfortable for wearing for many hours in a contest. I use a quarter of a 
paper towel between the headset cushions and my ears. That works fine.
And the CM500's are so cheap I bought a spare, just in case.
N2TK, Tony

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Wes
Sent: Tuesday, May 5, 2020 9:45 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] CM500 headset on K3S and KX3?

The failures I have are the ear pads disintegrate.  Someone said Koss pads 
could work but that hasn't been my experience. I've found some '500s at estate 
sales where I snap them up.  Currently the law firm where my fiance is employed 
is working from home and she's using a set on her computer to "attend" on-line 
meetings.  I guess I can add "IT Manager" to my resume, since I'm helping her 
with her connections.  I second the use of VOX.

Wes  N7WS

On 5/5/2020 5:32 PM, Jim Brown wrote:
> On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote:
>> For what its worth and everyones milage will vary, I had a brand new 
>> CM500 that I used for a week of hard operating while on a pretty 
>> island and the boom came loose after a couple of days.
>
> Your experience is unusual. In about 11 years, the only thing that has 
> ever gone wrong with my CM500s have been a broken cable, which, 
> unfortunately, is not replaceable. I'm kind of a klutz, so I'm hard on 
> cables, dropping them, kicking them, etc. Perhaps it got broken in shipping?
>
> I've never used anything but VOX for SSB and digital modes. That's 
> always worked just fine as long as there's not loud noise (like when 
> the XYL walks through the shack and lets the screen door slam). :)
>
> 73, Jim K9YC
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> list: http://www.qsl.net/donate.html Message delivered to 
> wes_n...@triconet.org


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delivered to tony@verizon.net 

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Re: [Elecraft] Elecraft Technical Support

[Raymond Sills via Elecraft]

HI Edd:
I suspect that this sort of email response might be why you are not hearing for 
Elecraft.  Anyway, I suggested giving them a call.
BTW, the link below does not work... which is likely part of the issue.
73 de Ray    K2ULR    


-Original Message-
To: Raymond Sills 
Sent: Wed, May 6, 2020 9:03 am
Subject: Re: Re: [Elecraft] Elecraft Technical Support

I apologize for this automatic reply to your email.
To control spam, I now allow incoming messages only from senders Ihave approved 
beforehand.
If you would like to be added to my list of approved senders, pleasefill out 
the short request form (see link below). Once I approve you,I will receive your 
original message in my inbox. You do not need toresend your message. I 
apologize for this one-time inconvenience.
Click the link below to fill out the request:
https://webmail.pas.earthlink.net/wam/addme?a=eseeli...@earthlink.net=11ea-8f99-ee491ff2-b309-00144ff382ae
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[Elecraft] Elecraft Technical Support

[Edward Seeliger]

Has online Elecraft Technical Support stopped?
I was in email contact with them trying to resolve a problem with my K3 (lack 
of analog audio in through the KIO3B module LINE IN port to the K3 for digital 
modes) when emails ended with no further replies to my emails since last 
Thursday.
The problem is not yet resolved.
Edd - KD5M
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Lyn Norstad]

Jim -

There is a (presumably Chinese) mic known as the BM800 which is marketed
under several different names.  I am currently using one on a boom with
shock mount, wind screen and foot switch just because I like hands-free
operation ... and am too frugal (i.e.: cheap) to spend the $$ for a Heil
equivalent.

Are you familiar with this mic, and what are your thoughts?  I get excellent
reports with it on my (non-Elecraft) rig.

73
Lyn, W0LEN
 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jim Brown
Sent: Tuesday, May 05, 2020 10:19 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] CM500 headset on K3S and KX3?

Heil products are an example of better sound through marketing. They're 
more expensive because they spend a lot of money on advertising to 
convince hams they're worth it. They also claim to make pro mics. I've 
been a member of the AES Standards Committee WG on microphones for more 
than 25 years, in which virtually all major microphone companies are 
represented. No one from the company is listed as a member, and I've 
never met Bob Heil or anyone from his company. Hams seem to think that 
because he did sound for a major rock band that his mics were good.

73, Jim K9YC
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Re: [Elecraft] Maximum RF power through KP1500 in Standby ?

[Roy]

200 watts both counts.

73,  Roy    K6XK



What is the maximum power allowed though the KPA1500 when in Standby ?

What is the maximum power allowed though the KPA1500 when in Power Off ?




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Re: [Elecraft] CM500 headset on K3S and KX3?

[Nr4c]

The 2.5 mm is about 0.100 in. A 3/32 is .093 or 0.007 in smaller. 

Sent from my iPhone
...nr4c. bill


> On May 5, 2020, at 11:16 PM, Grant Youngman  wrote:
> 
> Checked the manual.  It’s on the TIP connection of ACC2.  Set ACC2 IO in the 
> menu to LO=PTT.
> 
> Grant NQ5T
> 
>> On May 5, 2020, at 11:06 PM, Grant Youngman  wrote:
>> 
>> The ACC2 connector is a 2.5mm TRS connector, not 1/8” (3.5mm).   PTT is 
>> either on the tip or ring, I don’t recall which off hand — check the manual.
>> 
>> Grant NQ5T
>> 
>>> 
>>> -- On the KX3, plug the headset's mike and phone plugs into the respective 
>>> jacks, and use a momentary-contact switch on a mono-style 1/8" plug in the 
>>> ACC2 jack as a manual PTT switch.
>>> 
> 
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