Dave Smith Instruments SYNTHESIZERS

>Dave, I recorded some of the differences in the voices, let me know if
>these are the small differences you mentioned previously.  Hitting the same
>key in "fours" to cycle through the voices, then moving to another key,
>etc.  At about 30 seconds, I go back to the original starting note and the
>original differences seem to get much smaller than when I started.... then
>you'll hear a "power off" and then a few more notes.  The higher notes near
>the end kind of sound like octaves, which I think are voice 2 and 4 playing
>the high parts.

I think for the "octave" notes, the first harmonic (nearly) cancels.