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Reload Thread: 4 Alpine Type-R 12s ported.. in a trunk?

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    4 Alpine Type-R 12s ported.. in a trunk?

    Hey I just ordered 4 12" alpine type-r's (yes the new ones) and I want to put them in my trunk. My biggest box that I can fit in there (without building INSIDE the trunk) is 37 wide, 16 high, and 19.5 deep. I am pretty good at designing, and building boxes, but I want to fit all 4 facing my back seat, ported. Only thing I was thinking, is have 3 ( like OOO ) and slot ports at the bottom, and one facing the rear, or where its got 2 in the middle, and 1 on each side angled 45 degrees.. similar to /--\ (if you can understand that) with the 4 subs all right there. Let me know what you think. If i do it like that, how do I make the measurements correct? I always have difficulty doing that. Thanks

    Andrew


    BTW I have a van now that i am redoing the interior in, and building a wall for the type rs, but i want them in my car until im ready for them. So this is temporary.



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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    no way in hell you can properly fit 4 12's ported...




    Quote Originally Posted by the12voltsux View Post
    You low voltage may be due to having three batteries. have you tried only using one battery?

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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    What do you think... what do you recommend for ported box size?



    Refs: 02Corvette, PsychoTheRapist, Quez82, Fattony911, Megalomaniac, PatFitz9, Twistid, Robertspangler, SPL140.2, hazardous0388, scoob8000, WOT, Rashadd, Tricked - CS.org: TommyTheCat, HawaiianBassHed, MLGreen, Jmanpc..

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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    its not possible you can fit 2 at most...




    Quote Originally Posted by the12voltsux View Post
    You low voltage may be due to having three batteries. have you tried only using one battery?

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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    first of all dont face them opposite directions, i would just throw in 2 for now, why dont u face them to the rear in all my tests in trunks i foun dit was louder, unless u have folddown seats



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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    It will be loud. We use them.



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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    Quote Originally Posted by fat_hurts
    It will be loud. We use them.

    whos we ?



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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    Quote Originally Posted by zsondy1
    whos we ?




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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    Quote Originally Posted by nissanrider06
    first of all dont face them opposite directions, i would just throw in 2 for now, why dont u face them to the rear in all my tests in trunks i foun dit was louder, unless u have folddown seats
    your tests are wrong...




    Quote Originally Posted by the12voltsux View Post
    You low voltage may be due to having three batteries. have you tried only using one battery?

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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    im not saying if u have folddown seats they wont be louder but its not always louder if there facing the rear, in my experience! how can my tests be wrong (being i stated in the setups i have tried)?



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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    I had my box where VERY LITTLE air even fit between the box and outer walls, and between the top of the box and the trunk. Same box, turned around honestly made it 2-3 times louder than before. Buts that my test I guess. My backseat is also a custom loveseat and can remove the pad and lay it down. Obviously like a fold down, and louder. I always liked it better, and i thought the same thing with the facing the rear, until I tried it. But I dunno I am waiting for the type-rs to get to my house and figure it out. Thanks again. More options or ideas would be great!


    Andrew



    Refs: 02Corvette, PsychoTheRapist, Quez82, Fattony911, Megalomaniac, PatFitz9, Twistid, Robertspangler, SPL140.2, hazardous0388, scoob8000, WOT, Rashadd, Tricked - CS.org: TommyTheCat, HawaiianBassHed, MLGreen, Jmanpc..

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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    those dimensions will not allow enough room for ported. I built a box for three type r's in the trunk of my civic and it is 39" wide x 16" height x 30" depth. you have enough room there to properly do two ported




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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    1)Not enough room
    2) Face them toward the trunk...
    3)Use 2.




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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    that is 5.4 cubes before any displacements... = you can do the 4 R's, but 5 cubes sealed..

    or two R's properly ported (and sell me the other two hella cheap )



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    Re: 4 Alpine Type-R 12s ported.. in a trunk?

    Quote Originally Posted by Ecko072Unltd
    1)Not enough room
    2) Face them toward the trunk...
    3)Use 2.
    fire in, not towards the trunk




    Quote Originally Posted by the12voltsux View Post
    You low voltage may be due to having three batteries. have you tried only using one battery?

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