I looked on the internet and couldn't find out, but how does the EHX Germanium OD change the bias with the knob if anyone knows/ owns one could you tell me because I'm trying to find how for a fuzz with a germanium circuitry.
Quote by jake911
same way a regular switch would work i guess just switching the signal.

It's a knob, but explain.........
Bias current (in a PNP circuit) is restricted by a resistor on the emitter of the transistor. This can either be a fixed resistor, a trim pot wired as a variable resistor, or a potentiometer wired as a variable resistor. The germanium OD just has a potentiometer wired as a variable resistor with a knob on it...
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