[Elecraft] [KX3] KX3 mic jack *will* work with other mics/headsets having a regular stereo plug

[Don Wilhelm]

I believe the original question was in regards to the Yamaha CM500, and 
with Wayne's assurance that a 3 circuit jack will work, then the answer 
is YES - just plug in the MIC plug of the CM500 and it should work.  Use 
the XMIT switch for PTT or use VOX - no adapter necessary.
If one wants a PTT switch, the adapter box I mentioned earlier would be 
required, or some other form of PTT input such as the serial port control.

73,
Don W3FPR

On 12/29/2011 11:22 AM, Wayne Burdick wrote:
>
> In response to a few questions on this topic:
>
> The KX3 has a 4-circuit 3.5-mm jack, allowing for UP/DN and PTT
> controls as well a mic audio shield ground. The MH3 has a matching plug.
>
> However, the mic jack can also be used with mics having a 3-circuit
> (stereo) plug. These will not provide PTT or UP/DN controls, but can
> still be used with VOX or the XMIT switch (equivalent to PTT). Two
> menu entries are provided for mic configuration: one to turn bias on/
> off and another to turn the UP/DN buttons on/off.
>
> Heil headsets with two stereo plugs (one for stereo receive audio, the
> other for the mic) can be used. Generic computer headsets with these
> two plugs will also work.
>
> There are very small, pivoting mics available from places like Fry's
> that have a 3-circuit plug. These are compatible with the KX3's mic
> jack, too, and in fact allow you to use the KX3 like an HT (in a pinch).
>
> We'll expand our list of compatible mics over time.
>
> 73,
> Wayne
> N6KR
>
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