[sdiy] Buchla vactrol-based morphing/crossfade/panning

[Romeo Fahl]

There's the Buchla 259:

http://rubidium.dyndns.org/~magnus/synths/companies/buchla/Buchla_2590_4_200.jpg

The ring mod in the Buchla 285 also uses a similar circuit.

R.

On Mon, Sep 14, 2009 at 3:52 PM, Tim Stinchcombe
<tim102 at tstinchcombe.freeserve.co.uk> wrote:
> Hi list,
>
> I'm trying to track down the source circuits these two have come from, as
> they appear to be edited-down Buchla schematics:
>
> http://www.simple-answer.com/vac-crossfader.jpg
>
> http://www.simple-answer.com/vac-panner.jpg
>
> (Both from Mark Verbos's site:
> http://www.simple-answer.com/DIY.html)
>
> There are similarities with the 207 mixer (at Kevin Lightner's site):
>
> http://www.synthfool.com/docs/Buchla/
>
> but I'm kind of thinking there are more Buchla circuits out there doing
> similar things with vactrols, which I'd like to find out about - can anyone
> point me in the right direction?
>
> Thanks in advance,
>        Tim
> __________________________________________________________
> Tim Stinchcombe
>
> Cheltenham, Glos, UK
> email: tim102 at tstinchcombe.freeserve.co.uk
> www.timstinchcombe.co.uk
>
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>
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