Questions & Answers for: sunfire true subwoofer hums

Sunfire MK II Hums on input signal. Hum can be canceled repeatedly by switching on or off lights in room. Problem is consistent. Sometimes a small electric shock can be felt at a light switch. Is this

Sunfire True Sub Constant Hum & Thump on Initial Signal I have a Sunfire True Sub. It has a constant hum and puts out a deep bass thump when it received the first big bass signal from a song etc. Once

...Sunfire True Subwoofer Mark II. Since day one (about 3 years ago), a 60HZ electrical ground hum is present. I found this to be the problem by arresting the hum with a HUMX sold by Ebtech: ...

needs repair - loud humming noises when turned on who are service agents in Melbourne australia had the same problem, so I installed a radio shack ground loop isolator and fixed the problem, it has 2 ...

...Sunfire True Subwoofer Signature Mk II is starting to behave a bit strange. After the subwoofer has been playing relatively loud a humming sound sometimes remains and won't go away. If I remove the ...

I have a low frequency hum that is in my sub whether any music signal is present or not. It is barely audible when playing... but still there. Turn all the sound off... and the unit just sits in the ...

how to get rid of the hum Check your cabling to make sure you dont have a ground fault. if you still have humming, buy a "groundless" adapter for your power plug (takes the ground away) and plug it ...

Sunfire MK II Subwoofer hum. I have a Sunfire MK II subwoofer that hums when it is plugged in (it even hums when no signal is connected). I've tried multiple outlets on different circuits, but hum ...

...true sub mk II. i plug it in and it immediately hums with no input signal. tried tightening the pots and looked for loose wire but nothing. any ideas? guy gevais Connect the negative side of the RCA ...

...Sunfire Subwoofer? Does it pull out easily or do you have to take the amplifier plate off and tighten from the inside? The volume knob is loose. When I push in on the knob the hum disappears. I have ...