Doepfer

Not to worry.  However, isn't it ironic that we are now discussing 
ways to use an analog modular to model a digital model of an analog 
modular?  Can you say that five times really fast?  

SHM

--- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
<synaptic_music@y...> wrote:
> 
> 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?