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Reload Thread: closed cell foam vs polyfill

  1. #1
    fasfocus00's Avatar
    fasfocus00 is offline doITdaWHITEwayORdoITtwice

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    Jun 2007
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    closed cell foam vs polyfill

    polyfill and closed cell foam are the choices? i want to line the inside of a ported box. I have some left over closed cell foam from a poker table that I built. will the closed cell foam (1/4" thick) slow down the back wave like polyfill or will it just muffle/absorb the wave? or will it do something completely different?

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  2. #2
    Blue Fury's Avatar
    Blue Fury is offline Quagmire's Chin

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    Re: closed cell foam vs polyfill

    I've read it just takes up volume. I've tried it and there was almost insignificant sound difference. It was just that little bit better without it.

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