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    yourmomonacid's Avatar
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    ported box rockfordfosgate

    ok im building a box for 2 10" rockfordfosgate punch 300 watt subs im thinking about 1 cf each? and how do i find out how big to make the ports and how long? on the website it says
    Ported box -

    Recommended Volume (Cubic feet) - 1.0

    F3(Hz) - 35

    Number of Ports - 1

    Port diameter(Inches) - 3

    Port Length(Inches) - 13.25


    but im trying to make a slot port and that sounds like there explaining a tube port
    Last edited by yourmomonacid; 11-22-2003 at 10:49 PM. Reason: typos



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    Re: ported box rockfordfosgate

    Basically the only thing you need to do is come up with the width and legth that will equal the area of the port.. for instance

    a 3 inch tube port has an area of

    3 x 3.14 = 9.42

    so the slot port could be

    1 inch by 9.42 inch

    the port length stays the same.




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