> > of course it would be possible to add four VCAs.
> I thought the LFO is computed in the uP (or do I mismatch with the
> 143-4 ). If I am right: Why dont't we use a CV-in for the waveform
> level, A/D-convert it, and include the level in the waveform calculation

The A-143-9 is an 100% analog circuit (a bit like a VCF in self-resonance
with LP = sine and BP = cosine). Only the A-143-4 has a microcontroller with
DACs.

Best wishes
Dieter