Quote Originally Posted by sash
what does 'self oscillate' mean?
if you turn the resonance up really high it will start to make a sound even if there is no sound coming into the inputs. good for adding frequencies that weren't there in the original sound.

also handy for tuning the cutoff frequency to your sound source. play the note, turn the resonance way up (until it squeals), turn the cutoff nob until it harmonizes, then turn it down again...