[sdiy] Korg MS-50 VCA and VCF

[Aaron Lanterman]

On Apr 30, 2010, at 4:37 AM, JH. wrote:

> They probably loved to experiment. Same S&K filter topology everywheree, but realized with
> center-tapped Vactrol
> Two BJTs
> Diode Ring
> LM13600
> in different products.

Interesting - what Korg product used a vactrol-based VCF? 

(I guess besides the PS series resonator, which is sort of a truncated MFB type design)

- Aaron