Re: Question For The Gurus - Fan Noise (whine) - Solved
- From: "pimpom" <pimpom@xxxxxxxxxxxxxxx>
- Date: Sun, 8 Mar 2009 02:42:30 +0530
Tim wrote:
In article <MPG.241ca6d215d7b989726@xxxxxxxxxxxxxxx>,
tim@xxxxxxx
says...
OK, I have a computer PSU powering a 100w amp. The systemProblem has been solved.
works
great, but if I connect the cooling fans (2 x 12v DC
brushless), I
get a loud whine in both channels.
What is the best solution to reduce or eliminate the whining?
I am
limited
for space, but could easily add caps or coils to do the job. I
cannot
put another psu in to run the fans, not enough space for that.
All useful input is appreciated....
Thanks,
- Tim -
As with almost all noise issues, this one was ground related. I
had
the input ground attached to the frame of the amp, as was the
AC
ground and the DC minus. I found that if I also attached it to
the
ground of the amp module itself (the car amp), all noise was
eliminated.
The unit is now pumping out clean audio!
Thanks to all whom responded.
- Tim -
Just saw this thread and was about to suggest checking ground
connections. Glad to see you solved it yourself.
.
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