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  1. #1
    spydyplayer's Avatar
    spydyplayer is offline 2 Alpine Type R 15"s



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    Icon32 Question on Box for 15"s

    I am probably going to build a box that is 38" wide for two 15"s...I was wanting to make the chambers completely seperate with their own respective ports....I don't know if I'm being an idiot but I can't figure out if there will be enough room for a port on the side or not...My reasoning is that each chamber will be 19" wide....once you mount the woofer...this leaves only a little room on each side of the woofer....Am I going to have room for the port....Man am I having trouble designing this box...if anyone is interested in helping me....the box will be 38" wide....20" high...and 18" deep....I am wanting to have a divider in the middle for seperating the chambers....Any help would be appreciated.







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    Re: Question on Box for 15"s

    wow you have a lot of threads about this, let me try.
    What type of music do you listen to
    Subs are ______________
    Vehicle is a __________
    Amps are_____________
    What are the subs displacement



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    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

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    Re: Question on Box for 15"s

    <------waiting



    References

    Sold to jamesdean,jonny101abc,LowLinc,bumpinaintEZ,TurboDu devr4,SVT RELAMPAGO,mk_ ,Burnout956,bonesninja,yenwen,bhsdriller,dalucifer ,BoondockSaints,WillyG4444, alfmoney,btnhfan,dB Dom

    Bought From TeamPSI,ace_800, Zxcvtypo,bjfish11,atoz350,timbre-audio,Derrick824, lastcall,eclipsefool,rtillaree,PioneerPimp,6spdcou pe,ctmike,Thieroff


    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

    H/U Alpine 9887
    Mids Seas ER18RNX
    Tweets LPG 25NFA
    Subs 2 10" Memphis Audio Shallow Mount Subs
    Mids/Tweets Amp Kicker ZX850.4
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    Re: Question on Box for 15"s

    I saw you in here, answer me, I'm trying to help you



    References

    Sold to jamesdean,jonny101abc,LowLinc,bumpinaintEZ,TurboDu devr4,SVT RELAMPAGO,mk_ ,Burnout956,bonesninja,yenwen,bhsdriller,dalucifer ,BoondockSaints,WillyG4444, alfmoney,btnhfan,dB Dom

    Bought From TeamPSI,ace_800, Zxcvtypo,bjfish11,atoz350,timbre-audio,Derrick824, lastcall,eclipsefool,rtillaree,PioneerPimp,6spdcou pe,ctmike,Thieroff


    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

    H/U Alpine 9887
    Mids Seas ER18RNX
    Tweets LPG 25NFA
    Subs 2 10" Memphis Audio Shallow Mount Subs
    Mids/Tweets Amp Kicker ZX850.4
    Sub Amp Kicker ZX1000.1

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    cjjackson85's Avatar
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    Re: Question on Box for 15"s

    bump for a good seller...




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    Re: Question on Box for 15"s

    Quote Originally Posted by cjjackson85
    bump for a good seller...
    what?



    References

    Sold to jamesdean,jonny101abc,LowLinc,bumpinaintEZ,TurboDu devr4,SVT RELAMPAGO,mk_ ,Burnout956,bonesninja,yenwen,bhsdriller,dalucifer ,BoondockSaints,WillyG4444, alfmoney,btnhfan,dB Dom

    Bought From TeamPSI,ace_800, Zxcvtypo,bjfish11,atoz350,timbre-audio,Derrick824, lastcall,eclipsefool,rtillaree,PioneerPimp,6spdcou pe,ctmike,Thieroff


    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

    H/U Alpine 9887
    Mids Seas ER18RNX
    Tweets LPG 25NFA
    Subs 2 10" Memphis Audio Shallow Mount Subs
    Mids/Tweets Amp Kicker ZX850.4
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  7. #7
    davidfre21's Avatar
    davidfre21 is offline Is just a lil racist...



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    Re: Question on Box for 15"s

    how bout we put the port on the bottom instead of the sides



    IA FTW!!!
    Team Sundown... what?

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    Re: Question on Box for 15"s

    Quote Originally Posted by spydyplayer
    I have a 97 blazer, listen to mostly rap....have two 15" type R's...displacement is .123ft^3...don't have an amp yet but I will most likely be getting a MRD1001
    Here is the info on his subs and such



    References

    Sold to jamesdean,jonny101abc,LowLinc,bumpinaintEZ,TurboDu devr4,SVT RELAMPAGO,mk_ ,Burnout956,bonesninja,yenwen,bhsdriller,dalucifer ,BoondockSaints,WillyG4444, alfmoney,btnhfan,dB Dom

    Bought From TeamPSI,ace_800, Zxcvtypo,bjfish11,atoz350,timbre-audio,Derrick824, lastcall,eclipsefool,rtillaree,PioneerPimp,6spdcou pe,ctmike,Thieroff


    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

    H/U Alpine 9887
    Mids Seas ER18RNX
    Tweets LPG 25NFA
    Subs 2 10" Memphis Audio Shallow Mount Subs
    Mids/Tweets Amp Kicker ZX850.4
    Sub Amp Kicker ZX1000.1

  9. #9
    spydyplayer's Avatar
    spydyplayer is offline 2 Alpine Type R 15"s

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    Re: Question on Box for 15"s

    I would put the port on the bottom but I read on JL Audio's port site that the port width and the height should have a ratio of no more than 9 to 1 to avoid a mistuning or something....Also....I was reading on George's ported design thread that he usually uses 60 to 80 in^2 for the port area...and to add more port area for more than one subwoofer....Why is this? Does it matter how much port area it is? I'm a complete newbie when it comes to designing a ported box...Probably why I have all these **** questions...Thanks for tryin to help everyone.




  10. #10
    amedeuce's Avatar
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    Re: Question on Box for 15"s

    What does alpine recommend for an enclosure size?



    References

    Sold to jamesdean,jonny101abc,LowLinc,bumpinaintEZ,TurboDu devr4,SVT RELAMPAGO,mk_ ,Burnout956,bonesninja,yenwen,bhsdriller,dalucifer ,BoondockSaints,WillyG4444, alfmoney,btnhfan,dB Dom

    Bought From TeamPSI,ace_800, Zxcvtypo,bjfish11,atoz350,timbre-audio,Derrick824, lastcall,eclipsefool,rtillaree,PioneerPimp,6spdcou pe,ctmike,Thieroff


    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

    H/U Alpine 9887
    Mids Seas ER18RNX
    Tweets LPG 25NFA
    Subs 2 10" Memphis Audio Shallow Mount Subs
    Mids/Tweets Amp Kicker ZX850.4
    Sub Amp Kicker ZX1000.1

  11. #11
    amedeuce's Avatar
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    Re: Question on Box for 15"s

    with the dimensions you gave 20x18x38 and let's say tuned to 32hz, this is just rough mind you
    that would be (again roughly) a gross of 6.5 ft^3
    And let's say the port was 18.5x4
    and a port lenght of 45"
    that would give you around 4 cubes net. that's minus the port and the sub disp.
    **these are not exact measurments on the port, just an idea** The port should be close though..



    References

    Sold to jamesdean,jonny101abc,LowLinc,bumpinaintEZ,TurboDu devr4,SVT RELAMPAGO,mk_ ,Burnout956,bonesninja,yenwen,bhsdriller,dalucifer ,BoondockSaints,WillyG4444, alfmoney,btnhfan,dB Dom

    Bought From TeamPSI,ace_800, Zxcvtypo,bjfish11,atoz350,timbre-audio,Derrick824, lastcall,eclipsefool,rtillaree,PioneerPimp,6spdcou pe,ctmike,Thieroff


    Quote Originally Posted by bumpin buick View Post
    /yourself
    Quote Originally Posted by elmor001 View Post
    I don't think I'm the dumb one here. You just told someone to go divide themself.

    H/U Alpine 9887
    Mids Seas ER18RNX
    Tweets LPG 25NFA
    Subs 2 10" Memphis Audio Shallow Mount Subs
    Mids/Tweets Amp Kicker ZX850.4
    Sub Amp Kicker ZX1000.1

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