> >2) Craig Anderton's 'Multiple Identity Filter' - this uses
> the four stages in a CEM3320 chip (as in some Doepfer
> filters), but with a clever switching arrangement, to allow
> the four stages to be in many combinations, some parallel,
> some in series etc, giving quite a few
> lowpass/highpass/bandpass/notch possibilities. I'm wondering
> what would happen if you made the switching electronically
> controllable...
>
> Craig Anderton Who´s that Does he run a company or is it a
> DIY-filter

Hi again,
Its a DIY job as far as I know - I came across it quite by accident, a scan of several articles from 'Contemporary Keyboard' magazine from Nov 1979 (& Dec & Jan) (the name 'Multiple Identity Filter' even had a little trade mark 'TM' against it). I've seen his name before though, I think he does electronics books and gizmos aimed at guitarists, and he may also have connections with Paia Electronics.

Tim

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