Hi,

I have been using CyberAudio's 3-piece computer speaker systems for
over a year and have never encountered any problems so far until half
an hour ago when the sub woofer suddenly started humming very loudly.
The noise has not stopped yet and will only stop if I pull out the
power cord. Whenver the power cord is pulled in, the hum is here. Any
help would be greatly appreciated. Thanks!

Best,

Chin-Yunn

wrote in message
oups.com...
Hi,

I have been using CyberAudio's 3-piece computer speaker systems for
over a year and have never encountered any problems so far until half
an hour ago when the sub woofer suddenly started humming very loudly.
The noise has not stopped yet and will only stop if I pull out the
power cord. Whenver the power cord is pulled in, the hum is here. Any
help would be greatly appreciated. Thanks!

Best,

Chin-Yunn

Sounds like a ground loop. Have you plugged anything new in recently?

No. The most interesting thing is that I wasn't even doing anything on
my computer. The PC was just on and while I was working on my desk, the
sub woofer suddenly started humming very badly ... :-(

said:

No. The most interesting thing is that I wasn't even doing anything on
my computer. The PC was just on and while I was working on my desk, the
sub woofer suddenly started humming very badly ... :-(

Looks like a fault has developed in the amp's circuitry.
Unless you're skilled in electronics, not much you can do I'm afraid.

--
Sander de Waal
" SOA of a KT88? Sufficient. "