Doepfer

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?