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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