[sdiy] Korg MS-20 filter

[René Schmitz]

Hi Antti,

> I need an "official" reference to the Korg MS-20 filter (schematic) for
> university stuff. I've used Rene Schmitz's schematics, but I assume MS-20
> filter schematic (the later version) has been published ages ago
> somewhere. Question goes: Where?

It can be found in the Music Machines archives.
http://machines.hyperreal.org/manufacturers/Korg/MS-synths/schematics/KLM-307.GIF

> Also, I remember seeing a schematic of MS-20 filter with highpass mode
> too, but I have no recollection where. Can someone point me to such
> schematic?

The MS20 has a highpass and lowpass version cascaded. Its both in the 
above drawing.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159