[sdiy] How does 3320 sound as hipass/bandpass

[Grant Richter]

> 
> 2) The Xpander/M12 uses the 3372 and it is multimode.
> Does the xpander circuit use the 3372 in a multimode
> mode?  Can someone point me to some 3372 designs? Can
> someone point me to the M12/Xpander filter schematic?
> 

Online at:

http://www.musicsynthesizer.com/Circuitry/Multi-Function%20VCF.htm