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AV Tip: 3 Ways to Keep Your HT System Cool

by December 14, 2012
Tip of The Day: Keep Your System Cool

Tip of The Day: Keep Your System Cool

As most people are probably aware, the lifespan of electronics can be greatly improved by keeping temperature under control. Unfortunately, many of us are content to place a receiver/amp where it is convenient as opposed to where it can receive adequate ventilation, at least until it fails. Assuming you want your receiver in a cabinet, ensure that air flow is sufficient. While many so called home theater cabinets make little or no provision for ventilation, there are some models that take this factor into account. If you already own a cabinet that lacks proper ventilation and are concerned about heat buildup, a drill can come in quite handy; an inexpensive but good quality 120mm fan set to low speed can also improve air flow without adding significantly to background noise.

Here are three easy tips to help keep you system cool

  • Give your equipment room to breathe - Every piece of equipment has a minimum recommended clearance for proper heat dissipation. Check to see where the vents/fans are on your equipment an make sure they at least have good clearance. Typically an AV receiver will have a minimum recommended clearance of 2" on all sides.
  • Open up the cabinet/Modify the shelves - You need to allow for cool air to come in and hot air to leave. If possible you want to allow cool air to come up through the bottom and then vent out of the top of a cabinet, this pulls the cool air through the equipment. You may also consider drilling large holes through each shelf in a cabinet to assist in air flow.
  • Stack in the right order - Put your equipment that creates the most heat on the top of the stack, this prevents it from heating up the rest of your equipment. Typically a receiver and cable box are going to put out the most heat.

Source: forum member steve81

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About the author:

Cliff, like many of us, has always loved home theater equipment. In high school he landed a job at Best Buy that started his path towards actual high quality audio. His first surround sound was a Klipsch 5.1 system. After that he was hooked, moving from Klipsch to Polk to Definitive Technology, and so on. Eventually, Cliff ended up doing custom installation work for Best Buy and then for a "Ma & Pa" shop in Mankato, MN.

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Recent Forum Posts:

Adi Abadi posts on January 14, 2015 03:38
I think putting cooling fan will create electromagnetic wave that can produce noise to the circuit in AV receiver. Is anybody know is it serious to the Av receiver circuit? does it affect the sound quality? Or we can neglect the electromagnetic wave produced by cooling fan.
panteragstk posts on December 27, 2012 10:23
So, I'm going to get a few fans for my AVR, but another question comes to mind. What about venting the heat out of a closet? Do I just put a vent to the attic? I've got an opening at the bottom for cold air to get in, but the heat has nowhere to go. What would be the best way to get the heat out without an active vent? Just cut a hole and put a vent with a tube?
Budabear posts on December 26, 2012 22:34
These fans are a great idea, I will have to check them out. I don't use my equipment much but it's worth having them just in case. I'm definitely going to put a few of them on my DLP TV.
96cobra10101 posts on December 26, 2012 21:47
Just ordered a couple of these for less than $13 plus shipping. There made for laptops, but I am going to do a little re-engineering and see what results I can get.
cptmorgemaker posts on December 26, 2012 20:44
SO SO True so cheap and so good definitley must add these to mine
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