Patches and discussion for Ensoniq VFX family

> I think SD-1 has 32 voices by default. So you have the max polyphony.
> I know only about the polyphony. Please add more comments about other 
> problems.

There were two versions of the SD-1.  The first had 21 voices like the
rest of the VFX family.  The second had 32 voices.

--> Steve