Hi everyone, my 750 has developed a hum which comes from the amp itself - not from the speakers. The hum is present even with no inputs or speakers connected. Any ideas what would cause this and what it would cost to fix?

Hi Roy,

Please give us a call, M-F 9:00am - 5:00pm EST, at (866) OUTLAWS. This way we will be able to better assist you with trouble-shooting your amplifier.

Thanks ben, the problem has gone away.