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    justice66's Avatar
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    Help designing a box for 3 15s

    I am trying to figure out how to design a box for my 3 15" XFLS i hope to add a 4th later. Now i am not asking for a design just yet. What i would like to know is if there are some basic rules or pointers i need to follow. I have been messing around with Torres and RE box calc but i have know idea what im doing.
    So far this is what i have come up with:

    I'm pretty sure it is garbage i just don't have a clue.
    My question are after the size of the box is decided how do you know how much port you need.
    Is there a general rule for how many sq inches of port you need per cubic ft of box?
    Port ratio? Any one have any advice? hopefully you can see what i'm shooting for here. i want to get a really loud daily driver. thanks for any help







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    Re: Help designing a box for 3 15s

    Wait, are you trying to design a box that has baffle space you can just cut out to add the 4th sub? You might be able to make a sealed box like that work for both amounts of subs, but ported won't work well.



    Quote Originally Posted by ducatipaso View Post
    15inch subs can't play fast beats, they take more power and that taxes the vehicles electrical system. You will wake up and "hear" then see the light at the end of the tunnel and it will be 3 10's pounding so hard you wont even open your trunk or turn your system on because you 15's will sound sloppy & weak.
    Quote Originally Posted by benbenondatrack View Post
    stfu lesbo.why are you worried about me so much? you must want to date me ya little cookie monster but i dont even like sweets. your just a cup full of ice, dirt dead nasty azz ice...without the water.

    Dat Build Log: http://mobileaudioforum.com/forum/showthread.php?2566-1999-Chevrolet-Blazer&highlight=1999+blazer

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    Re: Help designing a box for 3 15s

    yeah i wasn't sure if that would work or not. i guess i will just stick with 3 subs and not worry about the 4th right not. any input on the other stuff




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    Re: Help designing a box for 3 15s

    Quote Originally Posted by justice66 View Post
    i have know idea what im doing.

    This thread should help you a lot:

    About to make a thread about box design? READ THIS FIRST! :)



    -Mark @caraudiofab

    http://www.youtube.com/caraudiofabrication
    ^Learn to design, fiberglass, install, and more!^

    >>> www.caraudiofabrication.com <<<

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    Re: Help designing a box for 3 15s

    Okay so after a week of reading and researching about building boxes and design i still can't figure it out to where i feel good about it. Who wants to make a little money and design me a box?
    @mklett33 great info in that post you linked and i like the youtube vids alot thanks for your help.




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