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  1. #1
    bbrownderville's Avatar
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    2 l7 12s box help

    I am looking to build a new box in my colorado for 4 12in. L5s. i am gonna be taking the backseat out this weekend. The box limits are 50 wide x 20 tall x 20 deep. im wanting to tune around 40hz(i know its high, but i want it tuned high so i can compete a lil and then still have some good daily bump). how should i do the port and stuff? any one got any good box designs? this will be going into a 07 colorado crew cab
    Last edited by bbrownderville; 12-19-2006 at 09:51 PM.



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    Re: 2 l7 12s box help

    I would tune it between 34-38 if it were me.

    Beyond that, search for box designs




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    Re: 2 l7 12s box help

    Heres one I built for a forum member. I can design you one if you give me your MAX parameters. This one was built to kickers specs.

    http://www.caraudio.com/forum/showthread.php?t=200869




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    bbrownderville's Avatar
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    Re: 2 l7 12s box help

    bump to the top with new measurements



    Headunit: Kenwood 911
    Sub Amp: Memphis 2500D
    Alternator: Iraggi
    Battery: Kinetik HC-1800
    Proud Member of TEAM DEAF WISH!!
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    http://www.caraudio.com/forum/showthread.php?t=185842.
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    rpfuror's Avatar
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    Re: 2 l7 12s box help

    Here you go:

    Desired Tuning Freq: 40 Hz
    Width= 50.00 inches
    Height= 20.00 inches
    Depth= 20.00 inches
    Port Length= 3.52 inches
    Driver Volume= 8.99 cu/ft

    Let me know if you want a drawing.
    Last edited by rpfuror; 12-20-2006 at 04:30 PM. Reason: lets show some pictures




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    Re: 2 l7 12s box help

    here a pic'




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