Sounds to me like a faulty exponential converter of the high-speed VCO.
Probably the transistor array CA3096 has to be replaced. If the module is
still under warranty please return it to Schneidersladen. Otherwise I'd
recommend to look for a CA3096 and replace the existing circuit.

Best wishes
Dieter Doepfer

> Thanks for posting the link to the sound clip. My 1-188-1
> generates no clear repeats like those in the mp3. In fact it
> generates no repeats atall, even with Delay Clock set to zero. I
> don't hear the clock noise and aliasing at this setting either.
> If I turn the feedback up, all I get is hum. If there is a
> potentiometer i could try adjusting on the circuit board, I would
> try that. However I think the unit will need to be returned to
> Schneidersladen.
>
>
> Cheers,
>
>
> Blair