Korg Polyphonic Ensemble (was: Re: [sdiy] Secrets of Dan Brown's "The Buchla Code" Revealed

[JH.]

> > Also part of the filter for the Korg Polyphonic Ensemble keyboard was  
> > lifted whole heartedly from the Buchla design (pretty sure the Korg  
> > drawings have latter dates).

Which part?

The traveler is just a S&K VCF (no VCA switching as Buchla), with added
variable resonance (unlike Buchla).

And the individual voices, yes that's LPF and VCA combined, but look
at this clever implementation, with simple BJT instead of expensive
Vactrols !! 

JH.