MOTM

>The SDE-3000 prefers to
>work with 0-10 voltages, but it will also work with bipolar signals,
>you just don't get the results you expect. Try feeding a 320 triangle
>into the delay input jack, enable modulation on the delay, and crank
>the modulation depth up.

I have a simple circuit on Larry's site that will convert bipolar LFO's to
0-5 to use the 320 with pedal inputs.  With a couple of changes it could
output 0-10V instead.  Larry's pedal interface and the Oakley Multimix can
also offset voltages.