|[AMRadio] Audio Warble?|
ars.w5omr at gmail.com
Sat Sep 15 05:23:06 EDT 2007
> Anyone have a single 12AX7 mic preamp schematic?
> I could roll my own for a change...
Here's a high-impedance microphone input circuit that might help..
You could get any old tube-type PA system, and use an interstage audio
driving transformer to go between the plates of the output tubes and the
grids of the Class A modulators.
Driving your AM Rig without a scope,
is like driving your car at night, without headlights. (K4KYV)
73 = Best Regards,
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