It's there, Dave
http://www.elecraft.com/K3/mods/AF_Output_Mod_Rev_C.pdf
73 de David G4DMP
In a recent message, Dave Hachadorian writes
>That reminds me -- I thought Elecraft was going to issue a series
>resistor mod to protect the speaker amplifier device. I still
>don't see it in the off
-Original Message-
From: Joe Subich, W4TV
Sent: Thursday, September 13, 2012 5:36 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Speaker plug
I would not try it unless the series output resistors are
installed in
your K3. Otherwise use a pair of 2.2 Ohm resistors - one from
Thank you all for the feedback.
Appreciate the help very much.
Bill - W0BBI
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This
> I do not understand the utility in connecting both the left and right
> speaker outputs to a single speaker - but I don't think it will do any
> harm.
I would not try it unless the series output resistors are installed in
your K3. Otherwise use a pair of 2.2 Ohm resistors - one from the tip
Bill,
I do not understand the utility in connecting both the left and right
speaker outputs to a single speaker - but I don't think it will do any
harm. Connecting the audio amplifiers together is different than
shorting the right channel to ground by inserting a mono plug. Why not
connect t
Just want to be sure that I understand the External Speaker Jack stereo vs mono
plug operation. To clarify, as long as you use the stereo plug, you can select
CONFIG:SPKRS 2, regardless of whether or not the other end of the plug is
stereo or using stereo speakers.
It is just critical for the ra
On Tue, Jan 3, 2012 at 4:33 PM, Ron D'Eau Claire wrote:
>...After all, they are only about 0.01" different
=
That's 10 mils, right?
KT0NY
--
http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352
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lecraft-boun...@mailman.qth.net] On Behalf Of Carl Clawson
Sent: Tuesday, January 03, 2012 10:07 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] [K3] Speaker Plug
I could infer from this discussion that 3.5 mm and 1/8 inch are two
different types of connector but I find no evidence of that.
Th
Generally, connectors described as 3.5 mm and 1/8" are fully
compatible. Most manufacturers use the metric notation. 1/8" is more
of a historical reference at this point, though we sometimes use
either term in existing manuals. New manuals will all use 3.5 mm.
If in doubt, use connectors des
I could infer from this discussion that 3.5 mm and 1/8 inch are two
different types of connector but I find no evidence of that.
The terms are used interchangeably by manufacturers. Switchcraft, for
instance, titles their products as 3.5 mm but goes on to say "all products
are 1/8 inch." On their
On 1/2/2012 8:17 PM, Ron D'Eau Claire wrote:
> I grabbed one and checked it, and it's 0.135" in diameter - 3.5 mm. No
> wonder it works FB in my K3.
The REAL manufacturers of audio products are members of international
Standards bodies, like the Audio Engineering Society, and carefully
adhere to
No theirs, mine. I simply measured a plug I had on hand and came up with
0.135". As Don noted earlier, there are always tolerances.
73, Ron AC7AC
-Original Message-
According to Google converter, 3.5mm = 0.137795276** inch. Rounding would
make it
0.138 ". RS's meterstick is uncalibrate
@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of n...@n5ge.com
> Sent: Monday, January 02, 2012 7:49 PM
> To: David Ferrington, M0XDF
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] [K3] Speaker Plug
>
>
> Page 8 in the D9 version of the K3
t;
> Oh... I just did.
>
> Ron AC7AC
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of n...@n5ge.com
> Sent: Monday, January 02, 2012 7:49 PM
> To: David Ferrington, M0XDF
> Cc: elecraft@mailm
ecraft-boun...@mailman.qth.net
>[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of n...@n5ge.com
>Sent: Monday, January 02, 2012 7:49 PM
>To: David Ferrington, M0XDF
>Cc: elecraft@mailman.qth.net
>Subject: Re: [Elecraft] [K3] Speaker Plug
>
>
>Page 8 in the D9 version of
Yes, I think you have missed the meaning of "nominal"
Let me put it this way - the "nominal 40 meter band" can refer to any
frequency between 7.000 and 7.200 MHz (we in the US will extend that to
7.300 MHz).
Likewise, nominal 3.5mm can range from 0.125 to 0.140 inches, and a
"nominal 1/8 inch"
Hmmm -
3.5 mm = 0.1378 inches
1/8 inch = 0.125 inch
Or am I missing something?
- Jim, KL7CC
Don Wilhelm wrote:
> Tom and all,
>
> You are ignoring one important word - "Nominal"
> A nominal 1/8 inch is equal to a nominal 3.5mm.
> As far as I know, they are both the same size.
> But as Jim B
raft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of n...@n5ge.com
Sent: Monday, January 02, 2012 7:49 PM
To: David Ferrington, M0XDF
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] [K3] Speaker Plug
Page 8 in the D9 version of the K3 Owners's Manual say&#x
Tom and all,
You are ignoring one important word - "Nominal"
A nominal 1/8 inch is equal to a nominal 3.5mm.
As far as I know, they are both the same size.
But as Jim Brown points out, there are good and bad connectors. Buy the
good ones and stop suffering -- yes, that may mean that you have to
Page 8 in the D9 version of the K3 Owners's Manual say's 1/8 inch stereo HP and
SP jacks both.
But... That doesn't mean they are ;o)
73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member
"Only a white man would believe he could cut the top
off of a blanket, sew it to the
Are you sure it's 1/8"? that would make it 3.175mm, which would account for the
loose connection if the socket is actually 3.5mm.
And my 3.5mm plugs in the UK fit very well.
73 de M0XDF
On 2 Jan 2012, at 21:52, Jim Brown wrote:
> On 1/2/2012 11:45 AM, Roy Morris wrote:
>> I am using two speaker
On 1/2/2012 11:45 AM, Roy Morris wrote:
> I am using two speakers with my K3.
It's a nominal 1/8-in plug. Both Switchcraft and Neutrik, two very well
respected mfrs, make very good 1/8-in plugs. See my tutorial on Ham
Interfacing, on my website, for part numbers and known good sources.
http:
I believe it's 3.5 mm - not 1/8"
73 de M0XDF (K3 #174, P3 #108)
--
Write the bad things that are done to you in the sand, but write the
good things that happen to you on a piece of marble. -Arabian wisdom
On 2 Jan 2012, at 19:45, Roy Morris wrote:
> I am using two speakers with my K3. My plug
I am using two speakers with my K3. My plug fits loosely into the
STEREO/MONO jack, and I have to be careful when I touch it or I lose the
audio in one or both. I have looked through the owners manual and do not
find the size of this plug. I would appreciate this information. Thanks,
Roy
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