[sdiy] Prophet VS a phase accumulator design

[Scott Nordlund]

> >I think almost every sane (i.e. not Fairlight/Synclavier)
> >polyphonic implementation is fixed rate, just some are
> >high frequency. And as I said before, if you increment
> >on integer divisions of the (high) clock frequency then
> >the two cases become equivalent despite "fixed" clock
> >rate, just with less pitch resolution. But this is too
> >fast to permit a multiplexed DAC.
>
> In other words your not entirely sure anymore? :)

Only sure that it will be expensive and nice sounding.

But that's almost saying that the only "true" variable 
clock is a VCO. 

> The CMI11 and CM111 are entirely different the CMI III who
> uses a pole of mem variable voice cards in a multiplexed
> fashion and each contain a DAC.

Any schematic or anything? I have the IIx service manual
but it conveniently omits the voice card schematic.