thank you for all your support! i finally understand how this is supposed to operate now.

--- In Doepfer_a100@yahoogroups.com , <hardware@...> wrote:
>
> > let me just first off by saying thanks for helping me out.
> > so here is whats happening. this is a direct out of the bbd out
> > (bottom left) straight into
> > the computer, nothing else is plugged in. the delay clock starts
> > at 10, then goes down to
> > one, then back to ten. repeats. the whine comes in at about 4 (im
> > sure sooner for peopel
> > with better hearing)
> > http://www.thedeepelement.com/invade/a-188bbd.mp3
> > thanks for the help!
>
> Which signal is used for audio input of the A-188-1 for this MP3 I assume
> none but maybe I'm wrong.
>
> If this is true you will hear probably the dirt effects of the BBD because
> at position 4 the BBD is already out of it's specification (i.e. already
> less than 10 kHz BBD clock). Please refer to page 3 of the user's manual
> (remarks).
> And you should operate the A-188-1 with a full level audio signal (as close
> as possible to clipping) as the A-188-1 is an audio signal processor but not
> planned to operate without audio input signal.
>
> More details about the dirt effects of the A-188-1 (and their adjustment)
> can be found in the A188-1 adjustment explanation:
> http://www.doepfer.de/service/A1881_adjustment.pdf
>
> Best wishes
> Dieter Doepfer
>