Thanks for the responses guys. Of course you have my permission to pin it, copy it, use it... whatever. I'm just happy it's going to work.
Perhellion, with the switch pushed in, it is just a tone pot, only you can select which value capacitor it uses. When the switch is pulled out, it becomes a "notch filter". Instead of low passing everything like a normal tone control, it deletes a narrow band of frequencies from the signal. You can set which frequencies by switching capacitors. It's sort of like a wah wah pedal... actually it's the exact opposite. Wah pedals boost certain frequencies, and the varitone cuts them.
Thanks, I'll definitely be doing that if it pops. I might want to do something similar on the kill switch, since I'm using it just for manual tremolo effects, and I don't want it popping when I switch it on and off rapidly. In that case, would I wire the resistor between the input lug and groud lug, or input lug and common lug?
I'm using an Allparts Rotary Switch, 6-Position, 4-Pole. Can anyone tell me if it's make before break?