[sdiy] Buchla 140 Pulser Question

johnspeth at yahoo.com johnspeth at yahoo.com
Sat Sep 12 05:08:54 CEST 2009


I don't know how S2 and S6 function in the circuit but I'd guess they are both (along with S4) on the mode switch (a 3PDT (??) ganged/stack or some such).

JJS


----- Original Message ----
> From: Romeo Fahl <romeo.fahl at gmail.com>
> To: Synth-DIY <synth-diy at dropmix.xs4all.nl>
> Sent: Friday, September 11, 2009 5:55:14 PM
> Subject: [sdiy] Buchla 140 Pulser Question
> 
> Referencing this schematic:
> 
> http://rubidium.dyndns.org/~magnus/synths/companies/buchla/Buchla_1400_1_200.jpg
> 
> I'm trying to match up the front panel components with the schematic,
> and am finding that there are two switches that are unaccounted for
> 
> Can anyone tell me what S2 (2nd from the left) and S6 (closest to the right) do?
> 
> The panel layout can be seen here:
> 
> http://www.buchla.com/historical/b100/images/140_1.jpg
> 
> Thanks!
> 
> Romeo
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