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  1. #1
    new steve
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    Default help with bass box sizes?

    hi all,

    i have just purchased a polk GNX124 12" sub.

    i would like to build the single ported box with a cubic foot of 1.75 as per the specs on this site.

    the problem I have is the size of my box is goverened by where it needs to go. the box will need to be (external sizes) 16" high by 10" deep; assuming 1" thick MDF construction how wide should it have to be to get 1.75 cubic feet? (the width is the variable as I have plently of space there!)

    thanks in advance if anyone can help!

  2. #2

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    Join Date
    Nov 2003
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    Dayton, OH
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    3,459

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    29" wide... ensure that the 1.75 internal includes the sub's displacement and the displacement of the vent(s). also note that this measurement does not include bracing.
    It's not good, very fundamentally simply not good. - geolemon

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