the resonance is touchy on that thing, still trying to figure out what to do about it, maybe i need to decrease the range of the control i use to adjust it from 0 to 10 or 4 or whatever it is to 0 - 1 or 2. also the frequency adjustment is not as forgiving on the high end as the other filters i use. its possible i'm doing something different with the modulations due to snapshot converting audio rate modulations which are usually not very fast anyways . sounds great and controls in demo are pretty dang close to the ones in silicon