Barry,
> It seems to me that I will need to rewire the SM20 plug. Is
> there an Icom to K3 mic adaptor or is there any other way to
> use the SM20 without rewiring the plug. I really don't want
> to sell the SM20 when I come to sell the PRO3 on purchase of
> the K3.
Kenwood/Elecraft and Icom put the mike element on the same two
pins 1 and 7. Unfortunately, Kenwood/Elecraft use pins 2 and 8
for PTT where Icom used 5 and 6.
To use the SM20 with the K3 you have two choices:
1) rewire the SM20 plug to move PTT to pin 5 and PTT ground
(chassis) to pin 8.
2) make an adapter cable -
Foster Male Foster Female
Buxcomm CE8 Buxcomm CBC8
1 -------------------- 1
2 -------------------- 5
3
4
5
6
7 --------------------- 7
8 --------------------- 6
73,
... Joe, W4TV
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Barry Simpson
> Sent: Friday, December 14, 2007 8:24 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Microphones
>
>
> Is it possible to use an ICOM SM20 with the K3 ?
>
>
>
> Looking at the K3 manual the mic socket pinouts are different
> from the SM20
> although there is bias available as used in the ICOM electret element.
>
>
>
> It seems to me that I will need to rewire the SM20 plug. Is
> there an Icom to
> K3 mic adaptor or is there any other way to use the SM20
> without rewiring
> the plug. I really don't want to sell the SM20 when I come to
> sell the PRO3
> on purchase of the K3.
>
>
>
> Seasons greetings and 73 to all.
>
>
>
> Barry Simpson VK2BJ
>
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