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Re: [Doepfer_a100] crossfade/mixer/multiples multi function module

2006-10-16 by Florian Anwander

Hi,

by occasion I ran over my sketch for a module idea, which i put in May 
to the file section, while we were discussing the thread "any more ideas 
for exotic future A100 modules" 
(http://launch.groups.yahoo.com/group/Doepfer_a100/files/Entwurf-Crossfader.jpg).

Somehow we never started a poll on this.
So let me suggest this very simple module once again (most text is taken 
from my mail from 08-May-2006):

Basically the idea for this module comes from building modular patches 
from the scratch while a live performance. You will want to add more and 
more modules to the audio signal path. If you have a system with 
audiomixers and multiples on each module (e.g. the  Roland 100m), this 
is no problem. With the A100 this requires everytime to break up the 
signal path, which is close to "stop your musical performance". Similar 
is valid for adding additional control voltages to a module, which 
provides only one adjustable CV input.

The idea of my module is to extend modules like all the VCFs or similar 
  (VC-Phasers, BBDs, Waveshapers...) with additional audio inputs, 
additional CV-inputs and additional outputs. Also I thought, that it is 
not so easy to crossfade from one source to another with two normal 
mixer inputs - a real crossfader is much better.

Technically it is a kind of 3-1-2 mixer. Three inputs can be level 
controlled and switched individually to two busses. The crossfader poti 
is fix wired to one bus in my sketch, but an additional switch for 
routing it also should be possible. If you hardwire the summing points 
of the mixers to the corresponding main module you even do not need any 
active elements or powersupply for this module.


Does anyone think this is a useful module?

Regards, Florian

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