[sdiy] DX7 hacking?

[Ingo Debus]

Am 01.07.2012 um 00:29 schrieb colin f:

>> 
>> 30 June 2012 20:39 Ingo Debus wrote:
>> 
>> I once ran my DX7 through an analog filter (CEM3320), with 
>> the filter ADSR triggered simultaneously with the DX7 notes. 
>> I felt that the sound of the DX7 was greatly enhanced.
>> Of course this was only one filter for all DX7 voices, so 
>> polyphonic playing was limited. I always thought of a unit 
>> with several filters (with ADSRs) and a microprocessor that 
>> could be combined with one of the FM synths with separate 
>> outputs for the voices. The microprocessor would have to do 
>> the voice arbitration for the FM synth too.
> 
> I've been planning to achieve this with a couple of synths I have here for
> ages, but haven't quite found the time yet...
> I have a TX802 (essentially a rack DX7II), which has 8 individual outputs.
> I also have an 8 voice poly analogue which I MIDI retrofitted tha makes an
> ideal candidate for independently patching 8 pairs of TX voices into 8
> filters.
> My plan is to re-transmit MIDI notes on 8 channels matching the notes that
> are allocated to each of the 8 voices by the MIDI retrofit.
> The TX will then follow the same voice allocation using a multi.
> Then all that's needed is 8 cables to the filters, patched from the TX.
> I'm determined to get it done this summer...

This is exactly how I would have done it. But I never owned a TX802. Later I got a TG77 which also has individual outs. But it already has filters too.

Ingo