> Hi Dieter,
>
> Not sure how close to the CGS design this is re: power but any
> thoughts on if I could run it on a +/-15V system
>
> Thanks
>
> David

The main circuit is identical to the CGS. There are only some minor changes
that do not affect the main circuitry. I think it will run with +/-15V. But
I have no 15V supply available to try it out.

Best wishes
Dieter Doepfer