John:
Ten Tec uses electret mikes with built-in preamps, so they require d.c.
voltage. A dynamic or ceramic mike with no internal preamp does not need
the voltage source.
73,
Bob WB2VUF
john ferro wrote:
> hi, recently i reported having low voice peaks on my paragon when using a
> shure 444d mic. earlier today i wired up a realistic mic tried it on the
> paragon and again the voice peaks are low. in both cases (the shure and
> realistic mics) pin 4 of the connector, which is the power pin is not wired
> so there is no power from the radio to the mic - i notice with the ten tec
> mics (hand mics and desk mics) there is power supplied to the mics. can lack
> of power to the mic be causing the low voice peaks - i have a ten tec hand
> mic on order, should have it on mondey or tuesday and i will try it then -
> just wondering.
>
> thanks again, john
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