Hi - There are many schematics on the web for a fuzzface guitar fuzzbox. I've attached one example. I've attempted to model one with LTSpice (attached) but don't seem to be getting any sort of useful/expected output. My input is close to "middle C" and I expected to get an approx square wave out but it's "not happenin' dude". Could it be because I don't have a model of an AC128 transistor or am I missing something else?
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