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Re: Coolng AVR
RickF #301758 04/13/10 07:22 PM
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Dude, if you're offering beer, I'm going to show up to help.


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Re: Coolng AVR
MarkSJohnson #301762 04/13/10 07:43 PM
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Please do Mark, you know I can't do scientific studies without great friends and beer. \:\)

And golf ... can't forget the golf!


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Re: Coolng AVR
RickF #301765 04/13/10 08:22 PM
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I have been using Rick's fan method ('cept for cork feet) for 8 months w/ my Onkyo 906. All metal fan/housing. Big difference w/ temps. But, like I said here before, be careful about the dust sucked in, 'cause the fan can do a pretty quick job of forcing the outside dust right into your unit's vents. As soon as you see dust collecting on the blades, it's time to clean it or it will hurl big clumps of dust. Dogs and cats (and peeps) don't help any, either. Then there's Cherios dust...

My $90 electrician hooked it up for me real nice.

Last edited by BobKay; 04/13/10 08:25 PM.

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Re: Coolng AVR
BobKay #301771 04/13/10 09:41 PM
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I went and bought some of those bumpers Rick mentions. I doubt I'll be using the avr tonight but will report back when I get a chance.


Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud

Re: Coolng AVR
Wid #301779 04/13/10 10:41 PM
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So, is it better to "pull" or "draw" the heat off of a heatsink with a fan, or is it better to "blow" cooler air onto it to dissipate the heat? I've seen both types on amps.


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Re: Coolng AVR
Adrian #301798 04/14/10 02:12 AM
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By drawing the hot air up and away from the processor, you're working with and accelerating the natural convection effect. Remember that cooler air moves in from the sides to replace the warm air you're removing.

Re: Coolng AVR
pmbuko #301804 04/14/10 02:31 AM
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Rick, overheating isn't something that I'm concerned about(including Onkyo), but ditto Peter's comment about sucking the hot air up.


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Re: Coolng AVR
JohnK #301834 04/14/10 07:57 AM
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I've never been too terribly concerned with overheating either John but whenever I saw just how much cooler the H/K runs with the fan I decided to go ahead and run a couple of the smaller fans on the Rotel amp. I ran two of the small fans because of the design of the cooling vents on the amp, four rows of vents on either side of the top with the center being solid with no vents. It now runs much cooler also ... can't hurt, right?

I placed the fans so that they blow up and draw the air through the components like Peter suggested.


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Re: Coolng AVR
RickF #301839 04/14/10 09:55 AM
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 Originally Posted By: RickF
It now runs much cooler also ...

How do you know unless you buy one of those awesome laser thermometers? I see a new tool purchase......


::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::
Re: Coolng AVR
MarkSJohnson #301851 04/14/10 01:27 PM
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I was reading a homebrew blog and saw a picture of a guy measuring the temperature of his wort with an infrared thermometer. Now I want one, too. \:\)

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