Doepfer

But did he say (or is it possible) to lower the shift range, or is it 
more trouble than it's worth?

--- In Doepfer_a100@y..., "petergrenader" <petergrenader@h...> wrote:
> Got a note from Dieter last night, who saw these listings and he 
> went into the theory behind the Shifter and how it cancels out the 
> second sideband to isolate the sum and difference.  Much as I've 
> always heard its done, by [hase cancellation using the 90 
> degree output of a quadrit. oscillator.  It's a very complex 
circuit.