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    tholley's Avatar
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    4 fi bl 18s

    Hey I have never designed a ported box before and was wondering if there was someone that could design it and tell me the deminsions.

    I will be using half inch mdf board and 4 bl 18's tuned @ around 27-30.

    Thanks!







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    Re: 4 fi bl 18s





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    Re: 4 fi bl 18s

    Quote Originally Posted by tholley View Post
    Hey I have never designed a ported box before and was wondering if there was someone that could design it and tell me the deminsions.

    I will be using half inch mdf board and 4 bl 18's tuned @ around 27-30.

    Thanks!
    .5" inch MDF=bad...use atleast one layer of .75"


    But I might be able to give you a hand



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    Re: 4 fi bl 18s

    I know what you are thinking. This will be the largest system I have ever installed.... all this is going into an 08 tahoe.

    edit: I have not ordered the board yet so whatever you recommend.

    Thanks~




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    Re: 4 fi bl 18s

    you will want more than 1/2 "

    3/4 in most areas. and double that up on the top at least



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    Re: 4 fi bl 18s

    How would one layer of 1" work?




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    Re: 4 fi bl 18s

    Quote Originally Posted by tholley View Post
    How would one layer of 1" work?
    very well, but 1" mdf is a pain to work with in 4x8 sheets....that ish is heavy!



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    Re: 4 fi bl 18s

    Ok well I will go with 3/4 I have never worked with 1" before. But could someone set this up for me? Any help would be appreciated. I am hoping to have the parts ordered as soon as possible, hopefully next week.




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    Re: 4 fi bl 18s

    first they would need the max dimensions that your willing to use.



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    Re: 4 fi bl 18s

    4 feet from side to side 3 and a half foot from front to back and 2 feet give or take some top to bottom. There is some leeway in the top to bottom measurement I want to be able to make a slide to put on top of the box so I can still carry groceries and stuff without damaging the box or subs.




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    Re: 4 fi bl 18s

    Thats 24 ft cubed with a 2 foot heigth isn't it?




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    Re: 4 fi bl 18s

    It should be a good 20 cubes for 4 18's...if not more



    <First and only dual-alternator 'real' Saturn (pre 2002) on the planet>
    Team Concepts, Team Shok Industries Team XS Power
    Soon: Mystery subs + AQ20k
    12.75 cubes net ~25Hz tuning 200 sq inches of port (lowz?)
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    152.1 @ 40Hz legal, certified...just getting started.

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    Re: 4 fi bl 18s

    You're not fitting 4 18's with 13 cubes with or without port and driver placement.

    EDIT: Beat




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    Re: 4 fi bl 18s

    How much power?




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    Re: 4 fi bl 18s

    Double the 3/4 sheets all the way around.




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