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.