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Car Audio Equipment
Subwoofers
Heat sink for sub box.
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<blockquote data-quote="Beau M" data-source="post: 8503919" data-attributes="member: 641620"><p>I've been playing with car audio for 20 years (I'm old) and just had a crazy idea. First off, I'm currently struggling with an under seat sub box that is .5 cu ft too small. So I was doing some polyfill research and came across this article from Tom Nousaine:</p><p></p><p><a href="http://www.moodym.com/audio/fiber.html" target="_blank">Polyfill stuffing in car audio subwoofer systems</a></p><p></p><p>He doesn't mention standing waves or decreased vibrations or any other of the reasons I grew up hearing that polyfill made the sub "think" it was in a bigger box. He says</p><p></p><p>"The particulars of fiber stuffing are pretty interesting: The air inside your enclosure actually heats up as your woofer moves, making the air stiffer. (I'm absolutely serious.) When the enclosure is stuffed with fiber, the fibers wiggle, dissipating some of the heat and making the system work as though the box were larger."</p><p></p><p>How far can we push this? What if the box itself had a large finned heat sink to dissipate heat generated? What if you ran a liquid cooling system (like a PC) inside the box? How cold do we have to make it inside the box so we can make the box smaller and smaller while not losing sub performance? Can you use a mini fridge as a box and run a couple 15s in 2 cu ft?</p><p></p><p>No, I'm not high.</p><p></p><p>//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p></blockquote><p></p>
[QUOTE="Beau M, post: 8503919, member: 641620"] I've been playing with car audio for 20 years (I'm old) and just had a crazy idea. First off, I'm currently struggling with an under seat sub box that is .5 cu ft too small. So I was doing some polyfill research and came across this article from Tom Nousaine: [URL="http://www.moodym.com/audio/fiber.html"]Polyfill stuffing in car audio subwoofer systems[/URL] He doesn't mention standing waves or decreased vibrations or any other of the reasons I grew up hearing that polyfill made the sub "think" it was in a bigger box. He says "The particulars of fiber stuffing are pretty interesting: The air inside your enclosure actually heats up as your woofer moves, making the air stiffer. (I'm absolutely serious.) When the enclosure is stuffed with fiber, the fibers wiggle, dissipating some of the heat and making the system work as though the box were larger." How far can we push this? What if the box itself had a large finned heat sink to dissipate heat generated? What if you ran a liquid cooling system (like a PC) inside the box? How cold do we have to make it inside the box so we can make the box smaller and smaller while not losing sub performance? Can you use a mini fridge as a box and run a couple 15s in 2 cu ft? No, I'm not high. [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]
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Heat sink for sub box.
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