[sdiy] Buchla 291 simulation 2

[jhaible]

> I can confirm this behaviour. A Buchla (and some clones)
> and the VCS3 were the first analogue synths I learned to play,
> and their filters were allways fat in the bass, voicy in the mids.
> So that fits your description.

But now I'm puzzled. The VCS3 filter has less gain when
its cutoff frequency is set to midrange ?

> And filters with a fixed bandwith in Hz have less resonance
> in the lows, as octaves have fewer Hzs there.

Yes, but this explains the _width_ of the bandpass, not the level.

JH.