[Elecraft] K3 Mic MH2 on K2

[Don Wilhelm]

Bernie,

It may be even easier than that - if you do not use the MC-60 mic on a 
Kenwood transceiver, then you can re-wire the 8 pin mic plug - just move 
the wire currently connected to pin 5 to pin 6.  If there was something 
already connected to pin 6, you will want to remove it (and you will 
lose the function of whatever it accomplished).

Since the Kenwood mic does not want a resistor between 5 volts and pin 1 
(AF), you must install that resistor in the MH2 mic plug rather than 
across the mic jack inside the K2.  That action will dedicate the MH2 
mic to YOUR K2, but that may be OK unless you try to sell the mic.

With the advent of the K3, we should all be thinking about wiring 
whatever mic we intend to use for Elecraft gear to the Elecraft pinout - 
for K2s, just wire straight across the mic header, and if you are using 
a non-Elecraft mic, just wire the mic plug to match the Elecraft pinout. 
  In the long run, I believe re-wiring the mic plug is the most sane 
solution - plus it will also work with the K3.


73,
Don W3FPR

73,
Don W3FPR


Bernard Gaffney, N8PVZ/QRP wrote:
> My K2, s/n 5601, is currently wired as a Kenwood, and
> I'm using a Kenwood MC-60A desk mic. Looking at the
> MH2 vs Kenwood wiring on the K2, they appear (almost)
> identical except for pins 5 & 6. So, I'm thinking if I
> wanted to use the MH2 on the K2, I'd just need to whip
> up an adapter cable for the MH2. Essentially, run pins
> 1, 2, 3, 4, 7,& 8 on the K2 side straight thru to the
> MH2 side, leave pin 5 (func) on the MH2 side
> unconnected, leave pin 6 on the K2 side unconnected,
> and run pin 5 on the K2 side (5v) to pin 6 on the MH2
> side (5v). That way the MH2 would see the same pinout
> as if the K2 were wired for an MH2 (except for func -
> not connected - which I don't care about). I'd mainly
> be doing this if I were going portable w/the K2 and
> didn't want to drag the MC-60A (desk mic) along.
> 
> Similarly, I could create a slightly different adapter
> cable to use the MC-60A on my (newly-ordered) K3.
> 
> Anyone see any problems w/this approach?
> 
> Thanks.
> 
>     72 de N8PVZ
>       ---bernie gaffney
> 
> 
> 
> 
>        
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