Doepfer

Thank very much.
I try with an A-120 VCF1 and it's Effective.
Now i can feel the power of the A188-2. Very big sound ....
Perhaps it will be better with a 48db per oct filter.
But i don't have it.
Patrick
--- In Doepfer_a100@yahoogroups.com, "P. Hendricks" <ph@...> wrote:
>
> You will need to send it to a filter or/and use the lower delay
settings,
> this is what all analog delays do(you just don't have control over it
> normally)
>  I believe Doepfer has a dual version of a switched cap filter in the
works
> to compliment the 188 modules:
> http://www.doepfer.de/A100_SCF.htm
> but the advantage to the open design is you can use any filter you
want or
> none.
> i love the 188-2 and the other 188 modules, some crazy sounds can be
had.
> best,
> phil
>
>
> On 5/5/07 2:51 PM, "patate_le_mage" patate.pat@... wrote:
>
> > thank you,
> > so you confirm it is the clock noise.
> > in the text they sayed :  e.g. to
> > control an external clock suppression filter as the A-188-2 is not
> > equipped
> > with such a filter (same as for the A-188-1).
> > so it is possible to supress this clock noise, do you know how i can
do
> > ? Is there a specific module wich permit to avoid this clock noise?
> > --- In Doepfer_a100@yahoogroups.com, "P. Hendricks" ph@ wrote:
> >>
> >> you may want to read the description of the module, everything you
> > state
> >> seems normal for 188 modules, that's how they were designed:
> >>
> >> from: http://www.doepfer.de/A1882.htm
> >>
> >> The A-188-2 uses the same high speed VCO (HSVCO) for the BBD clock
as
> > the
> >> A-188-1. The clock and consequently the delay time can be
controlled
> >> manually (delay control) and by the two control voltage inputs CV1
and
> > CV2.
> >> The sensitivity of CV1 is approximately 1V/oct. CV2 is equipped
with a
> >> polarizer (the new type of potentiometers with center detent too).
The
> > HSVCO
> >> has a clock output available that is normalled to the clock input
> > socket.
> >> These sockets can be used to link different BBD modules and to run
> > them with
> >> the same clock. But even other applications with frequency dividers
> > (e.g.
> >> A-163) or PLL (e.g. A-196) are conceivable. A voltage composed of
the
> > manual
> >> delay control, CV1 and CV2 is available at the CV out socket, e.g.
to
> >> control an external clock suppression filter as the A-188-2 is not
> > equipped
> >> with such a filter (same as for the A-188-1).
> >>
> >> Important note (especially for A-188-1 users): The A-188-1 uses
single
> > BBD
> >> circuits, which can be adjusted to minimize the clock noise as the
> > outputs
> >> of the used BBD circuits are symmetrical (for details please refer
to
> >> A1881_adjustment.pdf, trimming potentiometer P10). By way of
contrast
> > the
> >> BBD circuit used in the A-188-2 (MN3011) has six asymmetrical
outputs
> > that
> >> cannot be adjusted to minimize the clock noise. In addition the
clock
> > noise
> >> of the six outputs adds up. From there the clock noise of the
A-188-2
> > is
> >> more intense than of the A-188-1. This is caused by the properties
of
> > the
> >> MN3011 but not a mistake of the module ! If you feel that the clock
> > noise is
> >> too much you have the right to return the unused module within 14
days
> > (i.e.
> >> the module has no scratches or prints, e.g. from srewing into the
> > frame).
> >> On 5/5/07 12:51 PM, "patate_le_mage" patate.pat@ wrote:
> >>
> >>> Hello everybody,
> >>> my english is not very good but i try to explain my problems.
> >>> when i use the A-188-2, if i try to use the delay knob in his
first
> >>> half, all the output give a high  frequency ( depend on the delay
)
> >>> sound and i can't suppress it without going thru a LP-VCF wich
> >>> drastically modify my sound, A notch filter does'nt supress it
> > because
> >>> it's not a sinus sound. Is this sound the clock sound wich is
> > describe
> >>> in the module's presentation ?
> >>> My second problem is when i try to use the clock in : what kind of
> >>> signal have i to put in, is it only to chain BBD modules ?
> >>> Third, i haven't really understood the use of the CV out on this
> >>> module : what exactly is going out.
> >>> thanks for your answer.
> >>>
> >>> Patrick Maurel
> >>
> >
>