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Author Thread: Intermient hum in the receiver
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Bronze Member
Username: Ssin680

Post Number: 16
Registered: Feb-07
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Hi,

I just installed my new system including a Harman Kardon AVR 445 receiver and when the receiver is in use for a certain time (15 to 30 minutes) I begin to get an intermitent noise coming from the receiver itself.

It lasts about 2 minutes, then stops, then begin again a few minutes later, etc..

Any help will be appreciated !

Charles
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Gold Member
Username: Jan_b_vigne

Dallas, TX

Post Number: 9844
Registered: May-04
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.

"Sounds" like a cooling fan switch in and out.
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Bronze Member
Username: Ssin680

Post Number: 17
Registered: Feb-07
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Hi,

Is this "normal" with this receiver or is there a way to attenuate it ?

Charles
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Gold Member
Username: Jan_b_vigne

Dallas, TX

Post Number: 9865
Registered: May-04
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.

You'd have to ask either the dealer or HK whether it is "normal". If all is as should be, there isn't any reason to lower the volume of the fan as that would lower the benefit of the fan.
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