Sunfire True Sub MK II Subwoofer "fix humming noise" Questions

humming noise when powered up My CT120 with the same problem was fixed by replacing the 2 large capacitors in the power supply section of the amp.

humming to see if it stops........the easy fix sometimes is using a 3 to 2 prong ac adapter but lifting the ground on such a powerful amp could be a fire hazard. This problem can also be caused by bad

humming noise with a little sound. I am not sure what to check for but think it must be amplifier problem. please help and I can try There is actually some good news. I had this problem with my PB10s

...the loud noise (humm). The cables and the connection of power. Cable can humm if it's not well fixed or the due to placing heavy object on it can cause damage to cables.Trouble shoot all cable

...humming with low level crackling noise when power is switched on at the back of the Subwoofer. What is blown and how is it fixed. Did you ever find a solution for this problem? I have the exact same ...

...humming noise if left on when we were not using the home theatre. It now still has power to it but instead of the green light that appeared on the front of it it now has a red light and we cannot get ...

...in Melbourne australia had the same problem, so I installed a radio shack ground loop isolator and fixed the problem, it has 2 rca plug inputs and 2 rca outputs, goes in-between the sub and the

humming. Try moving it atleast a couple of feet away from any electrical devices. I had same problem caused by a poorly grounded cable TV line. Try disconnecting the coax cable (the one which comes in

...Humming, loud, whether hooked up with Audio input or not. Have a second one and it is fine. The other main speakers are fine.. Prefer not to open it up without a schematic and some advice regarding ...

...that they are receiving power. LED does not light up... Should I junk these or try and get them fixed? Is there fuse on these