KLH HTA-4906 System "loud hum subwoofers powering" Questions

loud humming noise even without anything hooked up to it, and the heat ... When the amp breaks down, you will also hear the hum much louder, >With no ... need a sub, but if going to crank it up buy

...loud hum. Ive tried moving it away from other electronic sources, put a choke on the power line and also plugged the power cord through a 3 prong. I've tried in a seperate room but whenever I turn it ...

...loud hum from spkr. had unit for 8yrs. Has never done this before. Makes this loud hum no matter if spkr wires are connected or not. Also with/without subwoofer low level connection. Hum usually ...

I have a surround sound speaker system for 5 years. Suddenly the subwoofer started a loud humming noise in the middle of playing a cd. We have not changed anything. What is happening? Humming noises ...

...volume is turned up. humming sound the same when on or off could be transformer plates fluxing. if loud recommend replacement of power supply. if ok then recommend unplugging the device after

loud hum when HGS 10 is turned on I have had a low level hum for a while on my HGS 10 but tollerated it. Now every time its turned on, I get this very loud noise which eventually subsides and then the

My 5.1home theater subwoofer giving more humming sound continues Loud humming noise usually comes from a bad or missing ground connection, or a failed rectifier or filter capacitor in the power supply

Velodyne ct100 loud humming +speaker drown backwards.Can I fix at home The loud humming could be caused by a cable on the input that is not grounded. It could also be caused by some sort of power ...

...loud buzzing humming sound. I checked connections and wires, all good. I disconnected and placed subwoofer on table and under light to get better view. I then plugged in power cord and turned it on ...

Loud hum on subwoofer. One of my speakers developed a loud hum on the powered subwoofer side of the speaker. When I first noticed the hum I could tap on the amp and it would go away. But after turning