JBL PB12 Subwoofer "home speakers humming" Questions

...home theater speakers make a constant hum whenever my receiver is on. The loudness of the hum changes with the volume control, and goes away entirely when the system is muted. All components are ...

humming from SUB333 I just bought this as a used system, got home, noticed that the power plug has been changed to a 3 prong one with only 2 connections (earth connector has no wires attached). ...

...home theater system up and three speaker jacks emit a loud hum and nothung else when I hook any speaker to them. The other two jacks work fine and I hooked all speakers to these jacks to test each ...

...Now it hums (vibrates constant) and corresponds (louder or softer) with volume control. Light is home but no one home situation. V The speaker now only vibrates and does not correspond to the ...

...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 supply

...speakers hum ludly. When I turn up Windows Media Player and system tray volumes that hum lowers but I with static when I play a movie or music. I moved the sub woofer away from the flat screen and ...

...home powered subwoofer, it makes a humming sound, then it stop working when I turn the volume control, it makes a humming sound, then, it stopped working check your connections, RCA, Speaker wires, ...

speakers at Home Theater also. If i switch off the power at SUB, the noise is avilable. But if i remove the sub woofer power card, then its stopped. Please let me know why? I checked the 230V AC power

...speakers . call bose customer service they can help you with some settings that will help. 877-210-3782. this is their home page http://www.bose.com/controller?url=/contact/index.jsp . you have any ...

...in the corner and hums until you unplug it. you may have a groung problem in the wireing of your home, buy a 110 ground tester at home depo and check your home ...