Axiom Home Page Forums General Discussion Home Theater Subwoofer hum

I emailed Hsu support yesterady and explained my situation. They responded to say that the hum at high gain levels is normal. It was attributed to the tremendous gain that the amps have. He recommended that I use the 9 o'clock position for the sub volume -- which works fine as there is no hum at all at this setting -- and it sounds fantastic.

FWIW -- It just seems weird that they would design a piece of equipment not to be used for 2/3 of the volume range. If you can't really use the full range then why have the knob able to access it. It would be like having a speedometer that goes to 300mph when most cars can only go 130 mph max.