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  1. #1
    hdave's Avatar
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    box for type r 12

    hello i just picked up an alpine type r 12

    ive got an 05 civic sedan with a trunk thats 36" wide and 14" tall

    need box help.


    how much cubic ft net should i use?
    how much port area?

    i want to maximize SPL and still hold decent SQ (tuning of ~32hz is what i want)


    also, anyone have any box building techniques, tips and tricks.
    - duct tape around sub (i dont understand where to put it)
    - rounded corners
    -smoother surface than mdf
    -etc...

    i want to make this a superbox.


    any and all input would be greatly appreciated. thank you.



    2005 Civic SE

    H/U:
    Pioneer DEH-P80MP
    Front: Stock
    Rear: Stock
    Amp: Arc Audio Kar 1000.2T
    Subs: Oz Matrix Elite 12 Dual 4
    Box: 1.07 cu.ft sealed




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    Re: box for type r 12

    what about the depth of the trunk?

    i think u should use the most space available for the box...



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    Re: box for type r 12

    Quote Originally Posted by creater
    what about the depth of the trunk?

    i think u should use the most space available for the box...

    true.. ^

    why don't you tacke a fiberglass enclosure? 32hz is probably my most common tuning frequenciy for everyday use type boxes. 36x14x20 would give you aproximately 4.5 cubes before displacements that should give you plenty of room to work with for yoru type R 12.



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    Re: box for type r 12

    ^ that is doable, but i prefer to keep it smaller because i want to still have quite a bit of trunk space.

    id say no more than 17" length
    by 32hz, i mean anywhere between 30 - 34hz



    2005 Civic SE

    H/U:
    Pioneer DEH-P80MP
    Front: Stock
    Rear: Stock
    Amp: Arc Audio Kar 1000.2T
    Subs: Oz Matrix Elite 12 Dual 4
    Box: 1.07 cu.ft sealed

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    Re: box for type r 12

    dont make a 4.5 foot box for one R maybe 3 cu ft tuned to 34 hz, but talk to the type-r experts




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    Re: box for type r 12

    Quote Originally Posted by nissanrider06
    dont make a 4.5 foot box for one R maybe 3 cu ft tuned to 34 hz, but talk to the type-r experts

    true. lets assume the box was made properly, with displacement from internal bracing, and four 3" ports, you would end up with a total internal volume of about 3 cu ft.

    but he said those dimensions are too large....



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    Re: box for type r 12

    i prefer a slot port. much easier than actual round ports for me.



    2005 Civic SE

    H/U:
    Pioneer DEH-P80MP
    Front: Stock
    Rear: Stock
    Amp: Arc Audio Kar 1000.2T
    Subs: Oz Matrix Elite 12 Dual 4
    Box: 1.07 cu.ft sealed

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    Re: box for type r 12

    tune it at least to 34-36 hz, youll get more SPL, and wont loose out on those lows make the box as big as you wanna make it dont go any smaller than a 3



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    Re: box for type r 12

    Whats gonna power this R?




  10. #10
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    Re: box for type r 12

    mtx 81000d

    i want to tune a little lower because the amp does not have a SSF.



    2005 Civic SE

    H/U:
    Pioneer DEH-P80MP
    Front: Stock
    Rear: Stock
    Amp: Arc Audio Kar 1000.2T
    Subs: Oz Matrix Elite 12 Dual 4
    Box: 1.07 cu.ft sealed

  11. #11
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    Re: box for type r 12

    hey, im getting the sub in about an hour and a half.

    pls someone tell me what to tune to and how much port area?



    2005 Civic SE

    H/U:
    Pioneer DEH-P80MP
    Front: Stock
    Rear: Stock
    Amp: Arc Audio Kar 1000.2T
    Subs: Oz Matrix Elite 12 Dual 4
    Box: 1.07 cu.ft sealed

  12. #12
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    Re: box for type r 12

    hey

    i have the sub and no box
    can anyone please please help me wit hthe box?
    tuning? port area? volume? etc...?



    2005 Civic SE

    H/U:
    Pioneer DEH-P80MP
    Front: Stock
    Rear: Stock
    Amp: Arc Audio Kar 1000.2T
    Subs: Oz Matrix Elite 12 Dual 4
    Box: 1.07 cu.ft sealed

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