Poly Fill

[2string 10+ year member]

Hello I'm new to the forum and would like to ask a question. I purchased a sub box and a JL Audio 10W1v2 speaker to load it with and was wondering should I put some sort of insulation on the inside walls of the box? What is the differnce in sound with or without it?

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[528hz 10+ year member]

Bump because I've always wondered this too. Never done it in a sealed box before, but thinking

about buying some.

 

[lilmaniac2 5,000+ posts]

If the box is too small it will help. If not i wouldnt worry about it

 

[TeoTorriatte 10+ year member]

http://www.caraudio.com/forum/showthread.php?t=236440&highlight=polyfill

 

[2string 10+ year member]

Thanks,for the great link!

 

[SethPhillips 5,000+ posts]

polly fill will make the woofer think its in a sum what of a bigger box.. it slows the rear wave of the subwoofer down.

 

[TeoTorriatte 10+ year member]

it slows the rear wave of the subwoofer down.

Wrong. Follow link posted above.