At this pin header the inverted output signal is available for DIY
applications (upper pin = inverted output, lower pin = GND).
While we're at DIY: in addition a single pin is available for each input
socket (next to the socket in question) for internal normalling of the
inputs.

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com [mailto: Doepfer_a100@yahoogroups.com ]
> Gesendet: Mittwoch, 2. August 2017 12:27
> An: Doepfer_a100@yahoogroups.com
> Betreff: 1 A-138b inverted output mod
>
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>
> Hi All
>
>
> Looking at the jumper PDF there is a pin dedicated to "inverted
> sum output". I'm handy with a soldering iron but no good with
> schematics. I read a post on muffwiggler were someone mentioned
> they modded theres but didn't give details and it was a post from
> 4 years ago.
>
>
> Anyone know how to add/mod an extra inverted output socket
>
>
> Thanks
> Alan
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