Sorry, I'm at work now and was just not refering to the correct
jack. I basically take the output of an envelope and I stick it
into CV2 of the BBD module. I also dial-in a bit of feedback.
Beyond that, only the MIX OUT is connected.

--- In Doepfer_a100@yahoogroups.com , "Adam-V" <adam-v@...> wrote:
>
> Hi,
>
> You might need to expand on a the first problem little further.
When
> you say using an envelope as a clock source, presumably you are
> modulating the HSVCO with an envelope, not clocking the BBD with an
> envelope generator
>
> Regarding the high pitched noise, it sounds like you are describing
> clock noise which is quite normal and does require a LPF to be
placed
> at the output of the BBD module in order to remove it. The obvious
> drawback of this is the potential loss of high end audio
frequencies.
>
> Cheers,
> Adam-V
> --- In Doepfer_a100@yahoogroups.com , "regimental1200"
> <regimental1200@> wrote:
> >
> > I meant 4096 stages, not 2096
> >
> > --- In Doepfer_a100@yahoogroups.com , "regimental1200"
> > <regimental1200@> wrote:
> > >
> > > I get a similar problem all the time!!!!
> > >
> > > Happens on a very intermittant basis. While using an envelope
as
> > > clock source, I smack a key and can get that typical repeating
and
> > > pitch shifting "Daaaaaaaa-daaaaaaaa-daaaa-da-da-da-da da"
noise,
> > and
> > > then when it feels like it, it stops responding.
> > >
> > > Also, depending on how I have the delay clock knob position,
I'll
> > > get this extremely high resonant noise. Sometimes it's more
> > subtle
> > > like the frequency it's producing is so high that it's not in
the
> > > audible spectrum, but its enough to hurt my ears. I fear that
> > I've
> > > even damaged a bit of my high-end with this....
> > >
> > > Is this a defect in the unit, or is that the clock noise that
the
> > > manual talks about generally requiring an LPF And if it is,
> > where
> > > exactly should the LPF be inserted
> > >
> > >
> > > --- In Doepfer_a100@yahoogroups.com , <hardware@> wrote:
> > > >
> > > > > Hi all,
> > > > >
> > > > > My tapped bbd module suddenly has a limited range, it can
now
> > > only
> > > > > do short delaytimes, probably 25-40% of the range it
should
> > > have. In
> > > > > other words: it can't produce the aliasing sound anymore.
The
> > > first
> > > > > time I fired it up it was ok, second time it had this
problem.
> > > Any
> > > > > ideas
> > > > >
> > > > > greetings, Anton
> > > >
> > > > Sounds like a fault. Probably the "heater" of the
temperature
> > > controlled
> > > > logarithmic converter of the HSVCO is defective. If you are
able
> > > to replace
> > > > an integrated circuit we can send you a new one. As all
circuits
> > > are
> > > > equipped with sockets no soldering is required but only
removing
> > > the old
> > > > circuit and inserting the new one.
> > > >
> > > > Please tell me your postal address (directly to me, not to
the
> > > Yahoo group)
> > > > and we will send you the spare part if you agree. Otherwise
> > please
> > > send the
> > > > module for repair.
> > > >
> > > > Best wishes
> > > > Dieter Doepfer
> > > > (hardware@)
> > > >
> > >
> >
>