[Elecraft] Mic connector for Yamaha CM500 on K3

[Don Wilhelm]

Phil,

To match the Yamaha CM-500 to the K2, you can purchase the adapter used 
with the Proset-K2 - and wire the microphone configuration header just 
as for the Elecraft MH2 microphone - all pins jumper straight across and 
add the 5.6k bias resistor between mic jack pins 1 and 6.

I thought I had the part number for the adapter without the microphone, 
but I cannot find it, perhaps someone else will supply it.

Of course, an adapter should not be difficult to build yourself with a 
Foster plug and 2 jacks (one for the microphone and another for the PTT 
input jack.

73,
Don W3FPR

On 2/18/2012 12:01 PM, Phil Yates wrote:
> How would it match up to on the K2.
>
> Phil
> G7BZD
>
> On Sat, Feb 18, 2012 at 4:56 PM, Dick Dievendorff<dieven at comcast.net>wrote:
>
>> You can plug the Yamaha CM500 microphone and headphone 3.5mm plugs directly
>> into 3.5mm jacks on the back panel, and use the K3's SPKR+PH capability
>> (which I have set up as PF1) to turn the speaker on and off. The K3 has a
>> back panel RCA connector that you may use for something like a foot switch,
>> if you prefer PTT.
>>
>> If you prefer a front panel microphone/headset connection, the Yamaha CM500
>> comes with a 3.5mm to 1/4" phone plug adapter, and you can use something
>> like the Heil Sound AD-1-K adapter (or a home-brew equivalent) that has an
>> 8
>> pin foster plug, a 3.5mm jack for the microphone, and a 1/4" mono jack for
>> a
>> footswitch like the Heil Sound FS-3.   I prefer to keep the footswitch
>> connector on the back panel, even if I'm using a front panel headset.
>>
>> 73 de Dick, K6KR
>>
>>> Before I order the headset, I am curious as to what mic connector is
>> provided if any? I am supposing an 8 pin connector is a required purchase
>> for my K3, correct?
>>> Griff...N5AG
>>
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