Doepfer

It sounds like I won't do it then!! Thanks Dieter!!

It seemed straight forward in Allen Strange's book - he even describes how to make the Passive Mult!! And there are diagrams of resultant waveforms too. 

David

www.movingisliving.co.uk

Sent from my iPhone 

> On 3 Dec 2014, at 08:56, yahoo@doepfer.de [Doepfer_a100] <Doepfer_a100@yahoogroups.com> wrote:
> 
> > Hi,
> >
> > A question about passive mults. I want to put the signals from two oscillators (prob Rubicons) at very high frequencies
> > together to have the beat frequency in the audio range. Difference tones or I've sometimes heard it called Heterodyning.
> > I have read about doing it with a mixer - but if I used a mult (in reverse - ie two inputs and taking one output) it
> > would be non linear and give more rich harmonics - or so I understand. ( Page 175 Electronic Music: Systems, Techniques
> > and Controls, Allen Strange). But my question is do passive mults work in this way? Is it safe? - ie not going to damage
> > the oscillators in some way?
> >
> > This comes from reading about Pauline Oliveros's early electronic music and listening to a lot of her music. There are
> > sound textures that I really liked but didn't know how they were made until recently reading about her using supra sonic
> > tones to create beat frequencies in the audio range.
> >
> > Hope someone can answer about the mults as non linear mixers,
> >
> > David
> 
> If you connect two or more outputs via a passive multiple you generate a short circuit between the outputs. It depends upon the
> output circuits what will happen. In the worst case one or more of the circuits may be damaged (that's not the case for A-100
> modules as the outputs are protected against such patches). If you are lucky you will obtain something similar to mixing of the
> circuits. But the output circuits may also interact and you obtain a result that depends upon the output circuits (e.g. kind of
> clipping or waveshaping or other non-linear effects).
> 
> Best wishes
> Dieter Doepfer
> 
>