[sdiy] "Ghost" Electronics

[Grant Richter]

> 
> The original (black face) ADAT can accommodate +/- 5 volts, so you would
> divide by 2 at the input, and amplify the output by a factor of 2 to allow
> +/- 10 volt signals.  The Pangolin board used to modify the ADAT XT has on
> board attenuators and opamps to perform the required level changes, because
> the ADAT XT internally has a 0 to +5 volts signal range.
> 

The 5 volt range would be directly compatible with Serge systems without
interface electronics. This is very interesting because Serge is the most
Buchla-like of the classic systems. And the technique was originally
pioneered on Buchla systems. What a neat coincidence.