Yamaha CS80

David,
What do you mean by bending chords down to DC?
Doug



On Nov 15, 2011, at 3:10 PM, The Old Crow <oldcrow@...> wrote:

> Currently the FM input is tied through an attenuator into the 
> exponential CV buss to provide exponential FM. This was done to 
> facilitate the use of the VCO in a modular system where most of the 
> control voltage sources are already linear. It is simple enough to bend 
> the frequency down to DC. In an expo VCO linear FM is typically used 
> for linear detune which the secret to obtaining what Jurgen (Haible) 
> describes as "living VCOs." I can add a switch-selectable linear/expo 
> FM option easily enough, though it adds like $15 to the end price.
> 
> Crow
> /**/
> 
> On 11/15/2011 1:17 PM, David Rogoff wrote:
> > Excellent! One thing (of course) - one of the coolest effects on a CS
> > is bending chords down to dc, which is possible since the VCOs are
> > linear, not exponential. I hope the FM input jack will allow this.
> > Maybe 0 volts is freq * 1 (no mod), +5v is freq * 2 (+1 octave) and -5v
> > is freq * 0. This would work like the ribbon on the CS80/60.
> >
> > David
> >
> >
> 
> 


[Non-text portions of this message have been removed]