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Hello,
Can someone tell me a little bit about Poly fill inside a sub enclosure. What does it do or not do to help the sound? Should I put it in my sealed sub box? Where do I get this stuff? Whats the science behind it?
thanks
Adam
 

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As quoted from crutchfield: "The sound wave coming off the back of your subwoofer reacts with the air contained in the box. Poly-Fil stuffing slows down sound waves inside the box, making the subwoofer perform as if the box were bigger."
I have never used polyfill, i tend to build my box to maximum sub spec, a lot of people swear by it though. You can get it at most audio places, online Crutchfield or PartsExpress
 

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Yes... also known as pillow stuffing and if I'm not mistaken.... you should fluff it up a bit.
 

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if u put it into a vented box, it will make for a much smoother and tighter bass....
 

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as stated above, if your going with a sealed enclosure then i would reccomend poly fill it, but sealed enclosures are for SQ=Sound Quality, if you want some thumpness, do a sql box= ported enclosure, tuned it around 30hz-34hz depending the sub your getting. I would pick ported over sealed any day
 

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QUOTE
WAHCHING Posted on Jul 28 2005, 12:11 AM
  as stated above, if your going with a sealed enclosure then i would reccomend poly fill it, but sealed enclosures are for SQ=Sound Quality, if you want some thumpness, do a sql box= ported enclosure, tuned it around 30hz-34hz depending the sub your getting. I would pick ported over sealed any day [/b]
It is all a taste preference, i prefer sealed because it just sounds so much cleaner and tighter than a ported box, and takes up less of my precious cargo room.
 

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This is true I have never owned a ported box for that factor alone, I don't want thumpness I love accuracy, clean tight bass. Pollyfill is awesome I have used it ever since i have had subs and haven't regreted it since.

Sure you loose a little efficiency but hey its a small price to pay for clean tight sounding bass.
 
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