A good reason for them not to touch when they are on... you can get a big spark between them... you can even short the internals... did you remove the ground to get them running together?
It was unplugged, just had not discharged yet,
Amp was running fine on just 1 PSU tho
Benjamin White
R/c Monster Team Driver
Jq the car, LST, Sportweks turmoil pro
Unconventional Techniques, Superior Results