Tom,
I do have such an adapter. I work on others K2s and must have
microphones for testing that will work with any of my client's mic
configurations. All of my mics are natively wired for either the
Elecraft or Yaesu configuration.
My 'universal' adapter is nothing more than a small enclosure containing
something like the mic configuration header on the K2 Front Panel board.
The enclosure is large enough to mount a microphone jack and the
output to the K2 is an 8 conductor cable with an 8 pin plug on the end.
I use a similar setup in the shack, but it is hardwired. it switches
between 3 mics and includes the circuits to switch the soundcard audio
for digital modes.
Even though my adapter is 'universal' (I use prewired jumper
combinations), you can hardwire the connections needed in your adapter
if your microphones are wired the same. You can either choose to use a
switch in the lines to multiple mics or to wire all of them and only
plug in one at a time.
If you have RF in the shack, be careful to use shielded wire for the mic
audio lines or you may observe 'funny happenings'. Low level mic audio
lines are subject to noise and RF pickup if precautions are not taken.
73,
Don W3FPR
Tom Zeltwanger wrote:
Dave,
That is not what I was thinking about, but is also an interesting option. I was
thinking about just wiring all the header pins straight through (as if for
Elecraft mic). Then I would get short adapter cables (2 or 3 inches, with 8-
pin plug/jack on the ends) for the front panel connector. The wiring of the
adapter would determine the mic. I just thought this is probably not a new
idea, and maybe such adapters already exist.
Once i settle on a mic I will probably stick with it. But it would be nice to
have the option to plug in a couple different types (desktop, headset, hand
mic).
73,
Tom KG3V
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