> Is there perhaps a reasonably priced option for using push/pull pots
> to switch individual controls between unipolar and bipolar
>
> sean

Unfortunately the potentiometers used in the A-100 are not available with
push/pull switches. And I personally don't like this type of potentiometers
because it's difficult to see (especially in a dark environment) if the pot
is in the push or pull position.

Best wishes
Dieter Doepfer