Mic wiring for K2

[Paul Smith]

I ordered and received a MH4 for my K2. The instructions show the schematic of mic wires at J1 and enclosed are little jumpers. Where is J1 and how does a guy get to it?

Thanks in advance de Paul N0NBD


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[Don Wilhelm]

Paul,

J1 is on the back of the Front Panel board.
The connections of that Microphone Configuration Header for various
microphones are indicated in the charts toward the end of the KSB2 manual.

If you have used an Elecraft microphone before, you may already have
those jumpers and the 5.6k bias resistor soldered on the back of the
microphone jack installed already.

You can remove the left side panel and peer in to see if the jumpers and
resistor are already in place.

If you just bought this K2 and do not know how to remove the Front
Panel, refer to the article at
http://www.qsl.net/wy3a/Replace_K2_Headphone_Jack.htm - go only as far
as necessary to remove the front panel.

73,
Don W3FPR

On 8/4/2018 3:46 PM, Paul Smith wrote:

> I ordered and received a MH4 for my K2. The instructions show the schematic of mic wires at J1 and enclosed are little jumpers. Where is J1 and how does a guy get to it?
>
> Thanks in advance de Paul N0NBD
>
>
> Sent from Outlook<http://aka.ms/weboutlook>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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[ke9uw]

page 17 of this?  http://www.elecraft.com/manual/ksb2%20manual%20rev%20G.pdf

Chuck Hawley
 [hidden email]

 Amateur Radio, KE9UW
 aka Jack, BMW Motorcycles
________________________________________
From: [hidden email] [[hidden email]] on behalf of Paul Smith [[hidden email]]
Sent: Saturday, August 04, 2018 2:46 PM
To: [hidden email]
Subject: [Elecraft] Mic wiring for K2

I ordered and received a MH4 for my K2. The instructions show the schematic of mic wires at J1 and enclosed are little jumpers. Where is J1 and how does a guy get to it?

Thanks in advance de Paul N0NBD


Sent from Outlook<http://aka.ms/weboutlook>
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[Don Wilhelm]

Page 17 has the mic signal definitions, page 18 has the plugging for
various microphones.

73,
Don W3FPR

On 8/4/2018 5:24 PM, hawley, charles j jr wrote:
> page 17 of this?  http://www.elecraft.com/manual/ksb2%20manual%20rev%20G.pdf
>
> Chuck Hawley
>   [hidden email]
>
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