Unfortunately isolation transformers don't work for DC, so there's not a passive way to break the trigger line between the two.

I'll see if I can find a scrap piece of wire that can fit under the sub's ground screw, and do a quick test. If that works, I'll make something cleaner.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris