This ones makes it easy:
http://www.doepfer.de/pe.htm
Universal MIDI Control Electronics

Sander

>-- Oorspronkelijk bericht --
>Date: Wed, 23 Feb 2005 10:28:32 +0100
>From: "Sander Meyer" < smeyer@... >
>Subject: TR-707 midi controller idea
>Reply-To: smeyer@...
>To: tr-707@yahoogroups.com
>
>
>Hi,
>
>I'm new. i got this link when I posted a question about replacing the ROM
>chips with EEPROMs on a dutch forum.
>
>I have another idea, insteed of replacing the sounds, it would be nice to
>make the volume sliders midi controllers.
>So then you can just load the samples in a sampler, use the 707 as sequencer
>and can still change volume/mute sounds
>with volume sliders. That would be great for making a perfect 808 clone

for

>taking on the road.
>
>Or insteed of making the sliders midi controllers, add a mute knob for each
>sound.
>
>Here's an chip whick alllows you to make midi controllers:
>
> http://www.audiomulch.com/midipic/
>
>I forgot to say, that I'm not a techical guy. I can only do things that

other

>people have allready done by using their instructions. For the rest i just
>like to open equipment en try to fix things with some clever thinhking :)
>
>I got two 707's so one can be used to experiment.
>
>Regards,
>
>Sander
>*******************************************************
> Siel synthesizers http://www.siel.tk
> Teisco Synthesizers http://www.teisco.tk
> My music http://www.sendex.nl
>*******************************************************
>
>
>
>
>
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>
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