I did this once a long time ago,put 2 mic elements in one case,wired two
ptt lines on seperate sides of the switch,no interconnections between
rigs at all! Added a selector switch to select either or both. Worked
perfectly even with completely different radios....73,Lee
Bob M. wrote:
>We're not talking hi-fi here. Many radios are
>nominally 600 ohm input impedance and it's definitely
>not critical. Sure, you could end up with a 300 ohh
>load, but the mikes also have preamps in them, so they
>probably don't care either.
>
>Just talk 3dB louder.
>
>Bob M.
>======
>--- [EMAIL PROTECTED] wrote:
>
>
>
>>I am not an expert, but the first mic circuit would
>>need an impedance transformer, to keep the indivual
>>mic circuits balanced or the audio level will be
>>less.
>>73's,
>>Jim Kh6jkg.
>>
>>
>
>
>
>
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