--- In Doepfer_a100@yahoogroups.com , davevosh@a... wrote:

> In a message dated 12/26/2002 7:16:09 PM Eastern Standard Time,
> mrsvomit@t... writes:
>
>
> > Now I can't remember the details on whether the Bulchla S.O.U.

had

> > these features but I think it was two weighted adjustable random
> > voltage sources, a noise source that had some variables and one

or two

> > S/H. I don't rember if there was an LFo, there may have been a

voltage

There are two version of the Buchla
S.O.U. The 265 and the 266. The 266
being the more complex of the two.
Check here for info and schematics:

http://www.musicsynthesizer.com/Buchla/source_of_uncertainty.htm

Enjoy!

Ethan