It's common to have some fans produce noise like that. Usually, the best
solution is to just buy a brushless fan (though sometimes they'll still give
you noise). You could also try putting a small capacitor across its
terminals. But you shouldn't need a fan. So you need to address the heat
issue first. Does it get that hot even after listening at moderate volumes?
Are they shutting down?

--
Mark
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"Jim" wrote in message
...
Hi MZ

Thanks for your reply.

I run MB Quart both front and rear which are 6.5" and 5". the dual mono
is
bridged (I know its hotter this way) that just runs a JL 10WO but soon to
run my new idq2.

The fan has been grounded to the car frame and amp, both still produce the
same problem? Any ideas how I can rid this annoying problem of mine such
as
adding something to the fan or whatever?

Many thanks MZ

Jim

"MZ" wrote in message
...
Got three genesis series amps in a rack and after a listen say 10mins
the
amps get pretty hot. Gains on amps are not on max but say 60-70% max
so
is
this normal?

Depends on what you're driving with the amps and how loud you listen.


I tried to add a fan using the fan terminal but I get really BAD
feedback
through the speakers! Is there any way to add the fan with something
that
will block out the fan noise from the speakers? The fan is grounded
on
the
amp as stated in the manual.

The last sentence identifies your problem.