yes right, the blacet is switchable only.
i haven't read the email properly.
i just came out of vacation and had to read
around 200 emails, sorry ;-)

best wishes

ingo

--- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...> wrote:
> I just looked at the Blacet site, and it doesn't look like the
> Klangwerk has a "ring-am-pass" control. But it does have a switch
> to make it DC coupled, so it could be used in place of the PAIA in
> my original example.
> Too bad, since the Blacet could certainly be squeezed into a
Doepfer-
> style face plate. Not a viable option with the Buchla or Serge.
>
> --- In Doepfer_a100@yahoogroups.com , "selfoscillate"
> <synaptic_music@y...> wrote:
> >
> > the blacet klangwerk
> >
> >
> > --- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...> wrote:
> > > Just remembered, the Buchla 285 balanced modulator does this.
> Any
> > > others
> > >
> > > --- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...>
> wrote:
> > > > By the way, I forgot to mention that my example below
requires
> a
> > > DC
> > > > coupled ring modulator, so it will not work with the A114,
> though
> > > it
> > > > works with a PAIA 9710. It might also work with the Doepfer
A-
> > 133
> > > > Polarizer, though I don't have this module yet and haven't
> tried
> > > > it. If anybody has a 133 one and feels like trying the
patch,
> > > > please let me know if it works.
> > > >
> > > > --- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...>
> wrote:
> > > > > The recent poll on the Nord Modular style clocked random
> > > generator
> > > > > got me thinking about the Nord Modular's ring modulator.
It
> > has
> > > > an
> > > > > additional control that varies the modulation from ring to
> AM
> > to
> > > > > none, which can also be "voltage" controlled. This is
> > extremely
> > > > > useful and I don't know of an analog ring modulator that
> does
> > > this
> > > > > out of the box.
> > > > >
> > > > > I have been trying to do something similar using existing
> > > > modules.
> > > > > It is my understanding that ring modulation differs from AM
> in
> > > > that
> > > > > the carrier is inverted when the modulator is negative.
> Also,
> > in
> > > > the
> > > > > Nord, when the control is zeroed and there is no
modulation,
> it
> > > > > simply passes the carrier unaltered.
> > > > >
> > > > > So, to model the nord's ring modulator, I have started by
> > adding
> > > > an
> > > > > offset to the modulator so that it is all positive (or,
> better,
> > > > > negative), then attenuating the signal with a VCA (this
> > > > attenuation
> > > > > is the "ring to am to nothing" control) then adding another
> > > offset
> > > > > to make the modulator AC again when the VCA is full open,
> and
> > > > > sending that signal to the ring modulator's modulator input.
> > > > >
> > > > > Is this correct Does anybody have an easier way of
> > > accomplishing
> > > > > this same end Does anybody know of an analog ring
> modulator
> > > that
> > > > > does this without outboard stuff Hey, could this be an
> idea
> > > for
> > > > a
> > > > > new module