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  1. #1
    steve c's Avatar
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    box help please

    gentlemen,
    currently i have two alpine type r12's in my 08 scion xb. They are powered by 2 alpine v-12 600w amps. The box that I am using is a store bought sealed piece of **** that really sounds like crap.
    I'd like to venture into the spl world with my current set up. Obviously i need to use a ported box but I'm unsure of the cubic feet and port area required to achieve some "nice bass"
    any suggestions would be greatly appreciated
    the workspace dimensions:
    20" depth
    40" wide
    16" height

    Thanks
    -steve

    oh a picture of the current set up. the only difference is the amps are mounted in the c pillars







  2. #2
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    Re: box help please

    4.5 cubes 72 ci of port.





    HU: Kenwood KDC-x789
    Speakers: CDT HD-62 with TW-25S's
    Subs: (2) Treo CSX 12.22's
    Sub Amp: (2) Hifonics XI Zeus's
    Box: 6.0 cf 96 sq in tunable port
    Wiring: Monster 1/0

    http://www.myspace.com/texasbassproductions


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    Re: box help please

    Let me find this nice calculator I like that gives freq graphs and cut out sheets and is really easy to use. brb

    http://www.subwoofertools.com/calculator_display.ashx

    There it is.



    90 Crx
    Eclipse CD5030
    AudioControl Epic-160
    Infinity Reference 4 channel
    4x Powerbass 6.5 coax
    2x Powerbass 3xl 12's
    2x Powerbass asa 1000.1D @ 1/2 ohm
    Powerbass bass accelerator
    2x Kinetik 1800s
    1x Kinetik 2400

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    steve c's Avatar
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    Re: box help please

    jesus i forgot how quick and dirty this site is... thanks guys...

    just to make sure I'm not retarded 2.25 per chamber and a combine port area of 72" (36" per side)

    Oh does anyone have a problem with this system firing up?
    I don't think I have the room to face it towards the trunk lid




  5. #5
    BASSMEKANIK's Avatar
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    Re: box help please

    id do a comon chamber myself...

    if you have room to fire them up then you have room to fire them back.





    HU: Kenwood KDC-x789
    Speakers: CDT HD-62 with TW-25S's
    Subs: (2) Treo CSX 12.22's
    Sub Amp: (2) Hifonics XI Zeus's
    Box: 6.0 cf 96 sq in tunable port
    Wiring: Monster 1/0

    http://www.myspace.com/texasbassproductions


  6. #6
    BASSMEKANIK's Avatar
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    Re: box help please

    id do a common chamber myself...

    if you have room to fire them up then you have room to fire them back.





    HU: Kenwood KDC-x789
    Speakers: CDT HD-62 with TW-25S's
    Subs: (2) Treo CSX 12.22's
    Sub Amp: (2) Hifonics XI Zeus's
    Box: 6.0 cf 96 sq in tunable port
    Wiring: Monster 1/0

    http://www.myspace.com/texasbassproductions


  7. #7
    BASSMEKANIK's Avatar
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    Re: box help please

    id do a common chamber myself...

    if you have room to fire them up then you have room to fire them back.





    HU: Kenwood KDC-x789
    Speakers: CDT HD-62 with TW-25S's
    Subs: (2) Treo CSX 12.22's
    Sub Amp: (2) Hifonics XI Zeus's
    Box: 6.0 cf 96 sq in tunable port
    Wiring: Monster 1/0

    http://www.myspace.com/texasbassproductions


  8. #8
    alvitae's Avatar
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    Re: box help please

    Don't ya just hate the **** lag on this site



    90 Crx
    Eclipse CD5030
    AudioControl Epic-160
    Infinity Reference 4 channel
    4x Powerbass 6.5 coax
    2x Powerbass 3xl 12's
    2x Powerbass asa 1000.1D @ 1/2 ohm
    Powerbass bass accelerator
    2x Kinetik 1800s
    1x Kinetik 2400

  9. #9
    steve c's Avatar
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    Re: box help please

    hmm so common 4.5

    where should the port be?




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