Fwd: A138 MOD. from dieter.
2003-03-21 by Bakis Sirros
--- Dieter Doepfer <hardware@doepfer.de> wrote: > From: "Dieter Doepfer" <hardware@doepfer.de> > To: "Bakis Sirros" <synth_freak_2000@yahoo.com> > Subject: > Date: Fri, 21 Mar 2003 15:08:04 +0100 > > > Concering a message in the group: > > > > This might have already been discussed, but... > > > > I know the A129/3 does offsets, but might there be > room for something > > like a simple dual offset generator module? > > > > Regards, > > Kevin > > On the DIY page a simple modification for the A-138 > will be shown so that it > works like an offset generator + attenuator. Simply > the switch contact of the > first jack socket (or even another one) has to be > connected to +12V via a > protection resistor (~ 47k). As long as no plug is > inserted into the > corresponding jack the attenuator knob works as > offset (like the A-129/3) as the > input is connected to a constant voltage that is > mixed to the other inputs. As > soon as a plug is inserted the input works like a > normal mixer input. > > Details will follow soon on our web site. > > Dieter Doepfer > ===== synthfreak(parallel worlds) athens-greece [Doepfer_a100] group owner-moderator __________________________________________________ Do you Yahoo!? Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your desktop! http://platinum.yahoo.com