Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com
> [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von Nicholas Keller
> Gesendet: Sonntag, 18. September 2005 21:00
> An: Doepfer_a100@yahoogroups.com
> Betreff: [Doepfer_a100] A-155 mod question
>
>
> I would like to add a send/return loop to the voltage rows of my A-155
> so I can run the signals to A-156 Quantizer before routing them back
> through the slew limiters inside A-155.
>
> Any ideas?  Dieter?
>
> I know I could use the PRE-OUT as my send, so a single normalled
> socket interrupting the signal going to the slew limiter would be all
> I'd need to add......  but where exactly can I make this
> interruption?  Shouldn't it be between the center pin of J2
> (potentiometer board)....and where that trace branches off to C2 and
> IC3,pin12 ?

No. That's not the right point.

> That seems correct to me, but all help is appreciated.

No. You have to make the insert between pin 8 of the TL084 (output OpAmp O3)
and pin 4 of the electronic switch (CD4053) that is used for the S&H
circuit. An of course an additional socket is required for the insert
function.

Best wishes
Dieter Doepfer