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  1. #1
    dmac71
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    Question polyfill or no polyfill that is the question

    do i need polyfill for my 12'' momos in a sealed .95 cubic foot enclosure.how will it change the sound of my subs.and how much per chamber should i use.also is the stuff sold at wal-mart the same quality as what is sold on crutchfield.and is their any other material i can substitute for polyfill that will have the same effect.
    thanks
    Dan

  2. #2
    Polk Customer Service
    Member Sales Rating: (0)

    Join Date
    Jul 2001
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    Polk Audio
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    723

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    Dan,
    I would suggest installing at least 1/2 to 3/4 of a pound into the enclosure. This will help to tame any internal resonances ( that "boomy" or "chesty" quality sometimes heard through subs ) and provide a smoother sounding response from the woofer. Plus this also acts as a heat sink for the compressed air inside of the enclosure. Try it, you will probably like the end results.

    Thanks,
    Kim

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