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Reload Thread: Anybody feel like checking box plans?

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    Anybody feel like checking box plans?

    If so let me know. I want some plans checked to make sure that they are accurate.







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    Re: Anybody feel like checking box plans?

    pm me with them or post them....



    2006 Jeep Liberty
    Adire Audio 15" Brahma running off Cadence A7hc, Clarion hu, MB Quart 6.5s and 5.25s running off old school Punch 800a4

    146+db @ 38hz with 1200w and a single 15"

    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: Anybody feel like checking box plans?

    Ygpm




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    Re: Anybody feel like checking box plans?

    post them and i'll double check



    References:

    Ali1, michaellane, cadillac114, chasinSKURT, DaRevrin, rhuff80, sam yung, The215, tukn18s, Xenophontos,nuboot,jfitz97,LuckyDerDer 2x

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    Trixter's Avatar
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    Re: Anybody feel like checking box plans?

    from the info you sent me i got....

    each "chamber" has a gross of 4.7cu' assuming that these are 15's (since you stated that each one has about 4cu' so) .5cu' for displacement which gives us 4.2cu'. 4.2cu' tuned to 35hz requires a 6" port to be 10.4" long before port displacement, and 11" long after port displacement. you did not tell if the port displacement was figured in the ~4cu' or not so i did it both with and with out...if each chamber was 4cu' then the numbers would be slightly longer.

    as always, i recommend that you get a second opinion to check my work as well.



    2006 Jeep Liberty
    Adire Audio 15" Brahma running off Cadence A7hc, Clarion hu, MB Quart 6.5s and 5.25s running off old school Punch 800a4

    146+db @ 38hz with 1200w and a single 15"

    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: Anybody feel like checking box plans?

    Quote Originally Posted by Trixter
    from the info you sent me i got....

    each "chamber" has a gross of 4.7cu' assuming that these are 15's (since you stated that each one has about 4cu' so) .5cu' for displacement which gives us 4.2cu'. 4.2cu' tuned to 35hz requires a 6" port to be 10.4" long before port displacement, and 11" long after port displacement. you did not tell if the port displacement was figured in the ~4cu' or not so i did it both with and with out...if each chamber was 4cu' then the numbers would be slightly longer.

    as always, i recommend that you get a second opinion to check my work as well.
    Alright thanks.




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