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    jk123's Avatar
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    ok QUESTION

    How do you measure the cubic feet inside of a box when building it? thanks

    IM going to try and build a ported box for 3 12" subs at 1.2 Cubic feet per sub







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    Re: ok QUESTION

    1.2 seems a tad small for a 12" but here

    http://www.caraudio.com/forum/showthread.php?t=215849



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    Re: ok QUESTION

    Which drivers are they? As stated 1.2 definitely seems a bit too small for a ported 12. Most 12s require that much space sealed.




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    Re: ok QUESTION

    You get the desired volume before you build the enclosure. That's involved in the design, not the construction.

    The easiest way is to use Sketchup to build the enclosure in a 3D environment and then leave the top off. From there, select the section of the bottom and get the area from it. Multiply that number by the height to get the total volume of the enclosure. If the height is in inches, divide it by 12 to get the cubic feet of the enclosure.



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