[Elecraft] Mic wiring for K2

Don Wilhelm donwilh at embarqmail.com
Sat Aug 4 17:06:37 EDT 2018


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
> 
> 
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