[sdiy] 36dB VCF output drop while increasing emphases

[David G Dixon]

> Am 18.04.2015 um 19:15 schrieb Chris McDowell:
> > You might try what Olivier from Mutable did on "Ripples"
> >
> > http://mutable-instruments.net/static/schematics/Ripples-v01.pdf
> >
> > The input goes through the same OTA controlling feedback 
> for resonance.
> > Perdy clever!

I think he might have learned that from the Dr. Octature, as I do the same
thing there, and I believe that Olivier's 4-pole is based on mine.