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Reload Thread: help!?

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    Jeb's Avatar
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    Icon32 help!?

    Hey i'm needing some help finding port length for my box... I have 2.95 cubes with sub displacement and wood subtracted. I would like to shoot for 30 hz. I want to make a mdf port. thanks.







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    Trixter is offline Keepin it Simple



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    Re: help!?

    need some dimensions and how much port area your needing.



    2006 Jeep Liberty
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    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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    Re: help!?

    also box size wxhxd




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    Re: help!?

    the box is very weird shaped due to my hatch being that way im getting as much airspace as possible with this shape for two 12's... it basically consists of two triangle shaped boxes and 1 rectangle shaped box. one of the triangles is (inside dimensions) 9.7725'' at the base side and 10.668'' tall and 14.467'' on the last side. the next triangle has a base of 11.79'' and a height of 1.41'' and the other side being 7.5625''. the final rectangle is 11.79'' by 9.25'' tall. and the depth of all three of these boxes is 34.5''. remember these are inside dimensions. sorry if this doesn't make much sense... i did the best i could explaining.




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