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Doepfer

Index last updated: 2026-04-29 00:15 UTC

Message

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

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