[sdiy] Buchla 257 is an extremely strange circuit

[Derek Holzer]

Hi Jerry,

your resistive triangle method is also quite mechanical, like the 
optoelectronic suggestion, and certainly worth looking at as well. I'll 
check it out and report back.

thx+best!
Derek

Jerry Gray-Eskue wrote:
> <<Which isn't any advantage over using a
> simple level control for each one.>>
> 
> The advantage is like a pan control but with 3 signals instead of 2, the
> output level should remain constant and allow any mix from 100% any signal
> source to any combination to matched levels from each source, that is 1/3 of
> each. Very difficult to do on the fly with three separate controls.

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