Looks like the D.O. MIXX has direct outs on each of the five channels, so you could set volume levels there and then send each channel to the Jumble Henge for EQ and panning. The Jumble Henge would allow 11 more inputs and be your main outs at that point. You might be able to do some interesting feedback patching too.
-- farkas

might be worth getting a jumble henge to try it out,so my D.O.MIXX would be like a sub-mixer of some sorts?

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