Ventilation Concerns for New Receiver

JT01
JT01 Posts: 11
in Electronics
Hi, I'm considering purchasing a Marantz SR6010, but it is 17.3 x 15.8 x 7.3 (W x D x H) and I have an 18 x 18 x 11 enclosure in my entertainment center. Any opinions on whether this is too little space on the sides to properly vent, and if so, are their any comparable products that may fit better? Thanks!
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  • F1nut
    F1nut Posts: 50,561
    Answer ✓
    It's not the sides so much as the top because heat rises, so with 5 inches you should be ok there. However, the heat needs to go somewhere, which in an enclosed cabinet can be a problem. Taking the back off or cutting out the section behind the AVR will help.
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  • mhardy6647
    mhardy6647 Posts: 33,804
    Answer ✓
    F1nut wrote: »
    It's not the sides so much as the top because heat rises, so with 5 inches you should be ok there. However, the heat needs to go somewhere, which in an enclosed cabinet can be a problem. Taking the back off or cutting out the section behind the AVR will help.

    All of the above is absolutely true -- but it also seems worthy of mentioning that most audio components that aren't forced air (fan) cooled are designed to use convection to remove heat. In such cases, it is also important to have suitable clearance under the component; cool air is drawn in through the bottom through louvers or a screened vent as hot air rises from the top. Of course, the component's Little Feat (umm, I mean, its feet) ensure that this will be the case.

    Not sure about modern manuals :-P but historically the owners manual used to specify how much clearance to allow around a component to ensure adequate air flow to maintain adequate cooling.

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  • cnh
    cnh Posts: 13,284
    edited March 2016 Answer ✓
    I run the dreaded Onkyo TX-SR 805 AVR with the HDMI boards you can fry eggs on! And there is an 18" space above it and plenty under and open on the sides in the rack. Fingers crossed, it has not yet fried itself, but I suspect it may have had some of the failing components replaced by Onkyo as I picked it up YEARS ago from Onkyo's site as a refurb?

    It gets so hot that ANYTHING within six inches of the top would be seriously affected by that heat and probably fail over time. So I removed ONE shelf from the rack. The CDP and Blu-ray player is thus a foot and a half above it!

    Your Marantz will NOT need that kind of clearance. But remember HEAT is your enemy, you need air flow! Sometimes even a small fan!
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  • gudnoyez
    gudnoyez Posts: 8,124
    I have a Denon AVR sitting in the bottom of a stand each side has 2 inches of space the top about 4 inches it ran a little hot until I cut out the back rear portion, after that it runs cool as a cucumber, plenty of ventilation.
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  • mhardy6647
    mhardy6647 Posts: 33,804
    Yeah, I am not surprised to see that -- the 'instruction manuals' for components nowadays seem to have ever-less useful information in them... hey, you punk kids! get offa my lawn!!

    now, where was I?

    oh yeah: one cannot have too much air flow/air space around a heat-producing component, I'd opine.
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