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Reload Thread: Type R vented box HELP

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    timpact14's Avatar
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    Type R vented box HELP

    running 1 1222d @ abt 500w rms in a 1990 chevy blazer. im limited in the space, i have abt 26"w(max) x 14 - 16"h x 14 - 16"d. looking to tune it to abt 30-32hz with abt 1.6 to 1.8 cuft....the plan below is almost perfect, if i can figure out how to make the width to abt 25.5" and keep the cuft and tuning close...any help greatly appreciated. thx

    http://img62.imageshack.us/my.php?im...z25sqin9rn.png







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    Re: Type R vented box HELP

    just use this.....

    your gonna want it 2 cubes net with about 35-40 sq inches of port area.

    http://www.subwoofertools.com/forum/ported-box.asp



    4x 12" HDC3's
    1x Hifonics Maxximus (rated 10,000@1ohm)
    2x Powermaster D3100
    8x runs of 0 gauge
    1x stock alt

    155.2 dB legal (vehicle off and @50Hz) in a Ford exploder

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    Re: Type R vented box HELP

    1.5" wide port.. so the port walls are 11.75in, and 8in.




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    PV Audio's Avatar
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    Re: Type R vented box HELP

    If I were you, I would make it ported instead of vented.




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    Re: Type R vented box HELP

    oops! i meant ported. let me give this program i try




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    Re: Type R vented box HELP

    Search google, for the RE box caculator.




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    Re: Type R vented box HELP

    this is what i came up with..what do u guys think?

    http://www.subwoofertools.com/forum/...&Vas=&Fs=&CE=0




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    Re: Type R vented box HELP

    You would get more air space doing a right angle port...




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    Re: Type R vented box HELP

    r u talking abt the port pieces cut @ a 45 degree?




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    Re: Type R vented box HELP

    cool, thx man i like this program better




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    Re: Type R vented box HELP


    26Wx15Hx16D
    2ft^3@32Hz
    If you want all the dimensions PM me.




    www.smith-customs.com
    Find Smith Customs on Facebook!

    References: Vexter 0944, Lingerfelt, riddla, Exploder 97, dillinja666, king ranch, chopsu3i, bonesninja, sxkicker89, djessenz, hl26, btdickey99, JLMaster, jbirrd15, bones22, belbo, 99grandprixGT, woody89, viebotls, garrettpf, SPL140.2, alex5857, Pickler, simpsonbuck, Rickikaye69, Bettr n' Revrse, swollen_cu


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    Re: Type R vented box HELP

    Quote Originally Posted by PV Audio View Post
    If I were you, I would make it ported instead of vented.
    It's the same thing.




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    Re: Type R vented box HELP

    Quote Originally Posted by timpact14 View Post
    this is what i came up with..what do u guys think?

    http://www.subwoofertools.com/forum/...&Vas=&Fs=&CE=0
    its good. but i would make it 2.5 net if you can.



    4x 12" HDC3's
    1x Hifonics Maxximus (rated 10,000@1ohm)
    2x Powermaster D3100
    8x runs of 0 gauge
    1x stock alt

    155.2 dB legal (vehicle off and @50Hz) in a Ford exploder

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    Re: Type R vented box HELP

    Quote Originally Posted by miker View Post
    You would get more air space doing a right angle port...
    umm no you wouldn't. you get a better port length to volume ratio with a 180 degree turn vs. 90 degree



    4x 12" HDC3's
    1x Hifonics Maxximus (rated 10,000@1ohm)
    2x Powermaster D3100
    8x runs of 0 gauge
    1x stock alt

    155.2 dB legal (vehicle off and @50Hz) in a Ford exploder

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