Problem solved! The culprit turned out to be my DIY power cord.
Swapped in another cord and Bingo!, no hum, and the speakers stay off when the amp is off.
This cord is about 4 years old and I've been using it daily so not sure what happened? But I've recently moved twice in the past 3 months...
Howdy All!
I recently swapped out my tube amp with a Sunfire Symphonic Reference amp and now, when I turn off the amp, my Spires stay on. Not only that, but they emit a low hum as well?
The amp is off although the preamp is in standby mode.
This never happened with my tube amp (Music Angel...