After playing with my empeg for a while, I figured out something... The darn volume knob is on the right because it is meant for people in England who have the drivers seat in the right of the car.

I think it would be a good idea to design the Mark3 (or 4 depending on what phase you are in in development) to have a symmetrical display plate that contains the controls. To convert your unit to a left-volumn-knob unit, all you would have to do is remove the face-plate & flip it over.

Mk2/40GB/Blue
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Mk2/40GB/Blue