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Polyfill???


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Coolaid 
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Posted: February 20, 2003 at 11:34 PM / IP Logged  
I've been reading other posts and i was wondering what polyfill is and how it is applyed. If anyone can explain it to me i would appreciate it.
thepencil 
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Posted: February 21, 2003 at 7:37 AM / IP Logged  
The sound wave coming off the back of your subwoofer reacts with the air contained in the box. Poly-Fill stuffing slows down sound waves inside the box, making the subwoofer perform as if the box were bigger. Use 1 to 1-1/2 pounds of Poly-Fill per cubic foot of box volume.
auex 
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Posted: February 21, 2003 at 7:32 PM / IP Logged  
Polyfill is basically pillow stuffing. You can find it at any fabric store.
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mobiletoys2002 
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Posted: February 21, 2003 at 9:07 PM / IP Logged  
Just losely put poly fill in the box and it will make your bass a bit deeper as if the box were bigger.you can play with amount if change in sound is desired.
wvsquirrel 
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Posted: February 21, 2003 at 9:26 PM / IP Logged  
I've seen people use fiberglass insulation (like what's in your house) in enclosures as well. The first time you see someone come down from their attic with a handful of that stuff and put it in an enclosure is deffinately an experience!
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mobiletoys2002 
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Posted: February 21, 2003 at 9:37 PM / IP Logged  
fibergalss will work but id use poly fiol it is cheaper easier to use and wont itch your skinPolyfill??? -- posted image.
esmith69 
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Posted: February 21, 2003 at 10:12 PM / IP Logged  
I bet per square foot it's probably more expensive, but you wouldn't have to buy a huge 100-ft roll of it like you would for the insulationPolyfill??? -- posted image.  Also just FYI you don't need to apply any adhesive to the polyfill, just do what everyone else said and stuff it in there.  If your box has a port obviously make sure you don't cover the port tube, but other than that it's really pretty straightforward.
Coolaid 
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Posted: February 23, 2003 at 10:12 PM / IP Logged  
Awesome thx for the help guys. but is it ok for the polyfill to be touching the back of the sub? because if i put a pound of it in a 1 ft box i think it will touch the sub.
The Distortion 
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Posted: February 25, 2003 at 4:36 AM / IP Logged  
Coolaid wrote:
Awesome thx for the help guys. but is it ok for the polyfill to be touching the back of the sub? because if i put a pound of it in a 1 ft box i think it will touch the sub.
hey , I'd like to know about polyfill touching the back of the sub myself. I read that you must staple it to the inside of box in a way that it does not touch the sub.
I am relatively new to this myself.
anyone?
thepencil 
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Posted: February 25, 2003 at 7:24 AM / IP Logged  
It’s fine to have the polyfill touching the back of your sub as long as you don’t have any small pieces hanging around and restricting the movement of your sub. You do not need to staple the polyfill either since stapling it defeats the purpose of slowing down the sound waves inside the box.

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