very usefull indeed, but I would build this outside
of the rack. Something like a DJ-mixer in front of your rack.
And then three or four little mixers with crossfader, and don't forget
the inverters ( with a switch )

You can build this yourself, and maybe you need some buffer amps or
adders, I don't
know, I'm not an electronic.

good luck

On Oct 16, 2006, at 15:22, Florian Anwander wrote:

> 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