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    burtonsnow83's Avatar
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    what is the tuning

    Hey, I have a box which exteranal measurements are 18 deep, 16 high 30.75 long with a port 14.5 high, 2 wide and 13.25 deep. I am an idiot with the tuning programs so can anyone tell me about what that would be tuned to, the subs are edk 12s.



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    H/U -Alpine cda-9815
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    MikeofTulsa's Avatar
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    well get the internal measurements and figure the volume of the box ((lxwxd)/1728) = volume of box....w/ that u can then to go a site like www.the12volt.com and use their port calulator and enter in the volume, the freq. u plan to tune it to, and the diameter of the port u wanna use and it will give u the port length




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    Originally posted by Goddyd4me
    well get the internal measurements and figure the volume of the box ((lxwxd)/1728) = volume of box....w/ that u can then to go a site like www.the12volt.com and use their port calulator and enter in the volume, the freq. u plan to tune it to, and the diameter of the port u wanna use and it will give u the port length
    I already know the port length, 13.25...

    I had to shorten my box by 1 1/2 inches so it thew my port calculations(that I got from trixter) off. My original port was 14.5 H x 2 w x14 deep the tuning with the box I had was 32 hz with that port. By shortening my box it threw that tuning outta whack, so I shortened the port a little bit, and now was wondering what the tuning would be, same height and width, just shortened to 13.25 with a different volume...again the box measurements this time internal are 29.25 l x 14.5 h x 16.5 D...thanks



    http://www.sounddomain.com/id/burtonsnow83

    148.1 on the dash(rangerman's mic)

    H/U -Alpine cda-9815
    Comps- CDT Cl61a
    Sub- 2 edk 12.44
    amps- Avionixx AXT 800.2
    Us acoustics usx2080
    box - 2 cubes each at 33 hz
    wiring-knukonceptz


    All in an 02 xterra


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    jmac need a little help too, could u check the pm machine?or even icq??



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    burtonsnow83's Avatar
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    Originally posted by Biohazard
    jmac need a little help too, could u check the pm machine?or even icq??
    speaker displacement is .08



    http://www.sounddomain.com/id/burtonsnow83

    148.1 on the dash(rangerman's mic)

    H/U -Alpine cda-9815
    Comps- CDT Cl61a
    Sub- 2 edk 12.44
    amps- Avionixx AXT 800.2
    Us acoustics usx2080
    box - 2 cubes each at 33 hz
    wiring-knukonceptz


    All in an 02 xterra


  6. #6
    burtonsnow83's Avatar
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    Originally posted by burtonsnow83
    speaker displacement is .08
    ttt



    http://www.sounddomain.com/id/burtonsnow83

    148.1 on the dash(rangerman's mic)

    H/U -Alpine cda-9815
    Comps- CDT Cl61a
    Sub- 2 edk 12.44
    amps- Avionixx AXT 800.2
    Us acoustics usx2080
    box - 2 cubes each at 33 hz
    wiring-knukonceptz


    All in an 02 xterra


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