> > What about one module which contains lowpass, highpass and coupler.Isn't the variable bandwidth filter just the highpass of one VCF
coupled to the lowpass of another. Still only 12dB/Octave though.
> Something similar (and banana socketed) is the old Synton 3224 VCF>That's a pair of Curtis filters (24dB/Octave), but I don't think there's
any coupling involved. Actually, the other Synton VCF was very
Serge-like. State variable, CA3280 based... Does Serge still use
these?
Steve Ridley