. . . from EPFM (Electronic
Projects for Musicians), by Craig Anderton. I made the circuit board for this one by pasting
copies of the component layout and solder tracings on opposite sides of a piece
of cardboard.The internal trim pot that
sets the carrier wave rejection is kind of touchy. Might have been better to
mount it externally. If I listen carefully while not playing, I can hear the
carrier oscillating very, very faintly.
Still, this is a great
sounding ring modulator, with controls just like the very de$irable vintage
Maestro Ring Modulator, plus an effects loop.



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