[sdiy] From a commercial standpoint -- has Eurorack "won"?

Mattias Rickardsson mr at analogue.org
Wed May 4 10:28:50 CEST 2016

Den 3 maj 2016 6:46 em skrev "Quincas Moreira" <quincas at gmail.com>:
> You can always patch VC control of resonance.  Just send the filter
> output to an inverter, then to a VCA, then back into another filter
> input.  Voila, control the VCA = control filter resonance.

Nope, not on all filters. The usual state-variable topology has its Q
feedback from the bandpass output and with opposite direction:
Less feedback -> higher resonance
More feedback -> lower resonance

So there you need to do some odd tricks *and* have the bandpass output

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