K3 Front Panel mic audio issues with Microham Micro Keyer II

[w0mu]

I am using a Heil Pro set with a HC4 or 5 element and it sounds great when
hooked up to the rear input of the K3.  If connected through the Microkeyer
II and the front panel the audio sounds distorted.

I have tried the High and Low settings in Main.

I do not have a mic that I can hook into the front panel which makes it
difficult to isolate.

The Micro Keyer II was hooked up to my FT 1000MP and worked great.

Any suggestions on where to go next?

Mike W0MU

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[Gill W4RYW]

Mike,

If you have a serial no between 660 & 782 you need to do the mod for grounding the front panel mike connector.

See link:  http://www.elecraft.com/K3/k3_app_notes.htm

Gill  W4RYW

Mike Fatchett W0MU wrote

I am using a Heil Pro set with a HC4 or 5 element and it sounds great when
hooked up to the rear input of the K3.  If connected through the Microkeyer
II and the front panel the audio sounds distorted.

I have tried the High and Low settings in Main.

I do not have a mic that I can hook into the front panel which makes it
difficult to isolate.

The Micro Keyer II was hooked up to my FT 1000MP and worked great.

Any suggestions on where to go next?

Mike W0MU

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[w0mu]

It would have been nice to know before I put it all together............

I guess it affects mics that don't require bias too.

I will do the mod and let everyone know....After the weekend contest.

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Gill W4RYW
Sent: Friday, June 13, 2008 7:48 PM
To: [hidden email]
Subject: Re: [Elecraft] K3 Front Panel mic audio issues with Microham
MicroKeyer II


Mike,

If you have a serial no between 660 & 782 you need to do the mod for
grounding the front panel mike connector.

See link:  http://www.elecraft.com/K3/k3_app_notes.htm

Gill  W4RYW



Mike Fatchett W0MU wrote:

>
> I am using a Heil Pro set with a HC4 or 5 element and it sounds great
> when hooked up to the rear input of the K3.  If connected through the
> Microkeyer II and the front panel the audio sounds distorted.
>
> I have tried the High and Low settings in Main.
>
> I do not have a mic that I can hook into the front panel which makes
> it difficult to isolate.
>
> The Micro Keyer II was hooked up to my FT 1000MP and worked great.
>
> Any suggestions on where to go next?
>
> Mike W0MU
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft   
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
>

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[oe9fwv]

Gill,

It is at least from #656 because my unit was affected too.
The mod is easy done with the instructions from Elecraft.

Gill W4RYW schrieb am 13 Jun 2008 um 18:47:

> If you have a serial no between 660 & 782 you need to do the mod for
> grounding the front panel mike connector.
>
> See link:  http://www.elecraft.com/K3/k3_app_notes.htm
>


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