Doepfer

Hi Diego,

It looks like the modules are mounted directly on wood without an earthing plane. If that’s the case it might well cause problems.

Best
John

> On 12 Jun 2018, at 13:06, Diego Ragnini diegora@free.fr [Doepfer_a100] <Doepfer_a100@yahoogroups.com> wrote:
> 
> Hi thanks everybody for replying
> 
> The situation was vague indeed, sorry, though the patch is very basic
> The case is just 1 row (LC3)
> As you can see by the colours on the following screenshot, the multed audio 1 signal (red cable) is slightly affected by the audio 2 signal (blue cable), as we turn CW the A-138s channel volume knob.
> 
> Nothing else is patched/ engaged.
> 
> I unfortunately have no means nor expertise for measuring anything.
> ASAP I will first try installing the multiple on another case.
> 
> Best, Diego
> 
> 
> <Patch.png>
> 
>> Il giorno 12 giu 2018, alle ore 10:25, John Hollis john@hollis.co.uk [Doepfer_a100] <Doepfer_a100@yahoogroups.com> ha scritto:
>> 
>> Hi Diego,
>> 
>> It does sound like there might be a short between the adjacent modules. Can you check for that?
>> 
>> Thanks
>> John
>> 
>> > On 12 Jun 2018, at 08:57, yahoo@doepfer.de [Doepfer_a100] <Doepfer_a100@yahoogroups.com> wrote:
>> > 
>> > Hello,
>> > 
>> > the A-138s is a very simple module (just a standard mixer circuit with
>> > operational amplifiers) and I have no idea how the signal could crosstalk to
>> > any other module.
>> > 
>> > Best wishes
>> > Dieter Doepfer
>> > 
>> > > -----Ursprungliche Nachricht-----
>> > > Von: Doepfer_a100@yahoogroups.com [mailto:Doepfer_a100@yahoogroups.com]
>> > > Gesendet: Montag, 11. Juni 2018 15:09
>> > > An: Doepfer_a100@yahoogroups.com
>> > > Betreff: [Doepfer_a100] Interferences from A-138s into LC6
>> > >
>> > >
>> > > Hello, I have a WMD buffered multiple which suffers from A-138s
>> > > mixer interferences, both powered by an LC6 Doepfer case. Is the
>> > > WMD faulty or its cable? A-138s output can be heard on the WMD,
>> > > unless knob's fully CCW. I also see that the multed signal is
>> > > louder that the original one. Any hint is welcome.
>> > >
>> > > Best regards,
>> > > Diego
>> > 
>> > 
>> > 
>> 
>> 
> 
> 
>