Wednesday, February 6, 2013

JFET Vulcan Overdrive

Great circuit by Joe Davisson, but should probably be called a distortion rather than an overdrive because it is apparently quite high gain.  The trimmers should make biasing the JFETs easy so don't let inconsistent JFETs put you off.

In terms of mods, Joe said of the circuit:  For higher gain, change the 2.2M/100pF to 470k/470pF
and conversely if you increase the resistor you should get less gain if you so desire.



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