The **OFFICIAL** DENON AVR-4520CI thread - Page 383 - AVS | Home Theater Discussions And Reviews
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post #11461 of 11469 Old Today, 08:36 AM
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Originally Posted by kbarnes701 View Post
^^^

BTW, if the unit didn't have any place to pull in ambient air, and the top was covered by that fan base thing, then the unit would collapse on itself as a vacuum was created. LOL. No more worries about overheating!
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post #11462 of 11469 Old Today, 08:46 AM
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Originally Posted by kbarnes701 View Post
Yes. Most units I have seen (and all of mine) have air intakes as well as slots in the top. Sometimes on the sides, sometimes on the bottom, sometimes both.
I was more thinking if someone bought this unit for a 4520 that was in a mainstream media cabinet where the side vents were blocked.

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post #11463 of 11469 Old Today, 09:55 AM
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Originally Posted by wadec22 View Post
I was more thinking if someone bought this unit for a 4520 that was in a mainstream media cabinet where the side vents were blocked.
Ah right. Yes, that might be a problem. I think the takeaway from this discussion is the importance of ensuring adequate ventilation for the units, and of ensuring they don't run hotter than they should. There are various ways to achieve this end - the simplest being to ensure the unit has plenty of space all around it. I think that once one starts to enclose AVRs and amps, then the whole of issue of cooling them suddenly comes to the fore. Personally, I'd never fully enclose any units I owned but, like you, I am a bit obsessive about this sort of thing. And, knock on wood, I have never had a unit fail on me yet.
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post #11464 of 11469 Unread Today, 11:36 AM
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Originally Posted by wadec22 View Post
I was more thinking if someone bought this unit for a 4520 that was in a mainstream media cabinet where the side vents were blocked.

My ex - wife had a " mainstream media cabinet " with tiny holes in the back for wires ( and no ventilation ). I took a jigsaw to the back of that cabinet when she wasn't looking. Ventilation and wire routing problems solved ( somewhat ).

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post #11465 of 11469 Unread Today, 12:20 PM
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Originally Posted by kbarnes701 View Post
Depends on the fan and the amount of air you need to move. The 80mm I have on top of some of my amps are virtually inaudible from 12 inches away. The air displacement potential of even small fans is so great that they only need to spin very slowly to shift enough air for sufficient cooling.
Had to wait to get to my desktop to find it... but here is a 120mm fan eval for any DIY solutions. Yes, there are some perfectly capable 80mm, but 120mm ftw.


http://www.tomshardware.com/forum/33...g-roundup-2012
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Denon 4520CI
Emotiva LPA-1
Epson 5020ub::::100" ES Cinewhite
PS4::::Toshiba HD-A35:::::::::Denon DBT 3313UDCI::::Darbee 5000
Martin Logan Stage(c)::::ML Aerius I(l/r)::::ML Motion FX(fw/s)::::ML Scripts(sb)
PSA XV15:::::PSA XV15se
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post #11466 of 11469 Unread Today, 01:25 PM
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Originally Posted by wadec22 View Post
Had to wait to get to my desktop to find it... but here is a 120mm fan eval for any DIY solutions. Yes, there are some perfectly capable 80mm, but 120mm ftw.


http://www.tomshardware.com/forum/33...g-roundup-2012
Wow - that is some comprehensive piece of work!
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post #11467 of 11469 Unread Today, 08:49 PM
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Originally Posted by wadec22 View Post
Yes, there are some perfectly capable 80mm, but 120mm ftw.
I've got 4 140mm fans in the back of my equipment rack. Keeps everything cool.
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post #11468 of 11469 Unread Today, 08:55 PM
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I've got 4 140mm fans in the back of my equipment rack. Keeps everything cool.
I'm sure they work great for your needs. As some extra FYI, most 120mm fans outperform 140mm. One wouldn't think so, but sure enough...

A moot point in your case as those fans are plenty adequate.

In any case I've never intended to derail the thread with the extra cooling details.

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Emotiva LPA-1
Epson 5020ub::::100" ES Cinewhite
PS4::::Toshiba HD-A35:::::::::Denon DBT 3313UDCI::::Darbee 5000
Martin Logan Stage(c)::::ML Aerius I(l/r)::::ML Motion FX(fw/s)::::ML Scripts(sb)
PSA XV15:::::PSA XV15se
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post #11469 of 11469 Unread Today, 09:02 PM
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The **OFFICIAL** DENON AVR-4520CI thread

Quote:
Originally Posted by wadec22 View Post
I'm sure they work great for your needs. As some extra FYI, most 120mm fans outperform 140mm. One wouldn't think so, but sure enough...

A moot point in your case as those fans are plenty adequate.

In any case I've never intended to derail the thread with the extra cooling details.
Love to see that link. No replacement for displacement. :P

I've got mine on a fan controller. They're barely moving and the Denon is cool to the touch.
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