Sawtooth oddities

Martin Fay mfay at fs2.cp.umist.ac.uk
Fri Jul 11 19:44:11 CEST 1997


Tony wrote:
> I've got this weird problem with my semi-modular synth. If I use two
> slightly detuned VCOs on sawtooth, then the final audio output
> appears to be very unstable. For about a second or so, the sound is
> the usual rich phasing type sound, then suddenly the sound changes
> as though one osc. has sync'd with the other. In fact, the output
> sounds rather nasty. When using triangle or square outputs, or any
> combination, this sync'ing feeling just does not happen.

This sounds exactly like the behaviour of my rather poorly Pro 1, I'd 
guess it is soft sync between the oscillators. I wonder if this is 
actually a design fault on the Pro 1 or is it just another problem 
with my machine?


Martin

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