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Reload Thread: *Box design w/ pics...*

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    *Box design w/ pics...*

    Okay, I used bassbox pro 6, and doing my best to fit a 6 cube box into a small a** trunk, this is what I came up with:

    The subwoofers (4)
    ----------------------------------------
    Driver Properties
    Name: SWR-1241D
    Type: Standard one-way driver
    Company: Alpine
    Comment: Type-R series
    No. of Drivers = 4
    Mounting = Standard
    Wiring = Parallel
    Dual voice coils = parallel
    Fs = 28 Hz
    Qms = 8.31
    Vas = 58 liters
    Xmax = 13.87 mm
    Sd = 467.6 sq.cm
    Qes = 0.45
    Re = 1.8 ohms
    Le = 0.67 mH
    Z = 2 ohms
    Pe = 300 watts
    ----------------------------------------

    The Box:
    ----------------------------------------
    Box Properties
    Type: Vented Box
    Shape: Prism, square
    Vb = 5.954 cu.ft
    Fb = 28 Hz
    QL = 6.536
    F3 = 31.82 Hz
    Fill = none
    No. of Vents = 1
    Vent shape = rectangle
    Vent ends = one flush
    Hv = 24.5 in
    Wv = 1.825 in
    Lv = 24.5 in
    ----------------------------------------

    The design:
    ----------------------------------------

    ----------------------------------------

    I would show you the graphs the program produced, but it is too much of a hassle, anyways there you have it!



    Quote Originally Posted by kickerassman View Post
    i was thinking some thing like this..... get a reall fine but strong sharp cable like them tension cables tie it around your neck and tie it to something..... then get some supper supper supper glue and glue your hands to your head.when the glue dries jump of the building with the cable cutting your head off and you would have your head glued to your hands ...... some one would see that and be like wtf omg that dude ripped his head off ... he mst have been pisssed!!!



    My Current Build Log: (16 8" Sundown subwoofers)
    http://www.caraudio.com/forum/showthread.php?t=367352




  2. #2
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    Re: *Box design w/ pics...*

    i dont think your port is wide enough. should go with a wider port.



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    Re: *Box design w/ pics...*

    it's 24.5"x1.825", tuned to 28Hz, the box at 31.82Hz, the graphs it gave me, I did my best to get a good flat response with the limited air space...I'll look into making the vent wider



    Quote Originally Posted by kickerassman View Post
    i was thinking some thing like this..... get a reall fine but strong sharp cable like them tension cables tie it around your neck and tie it to something..... then get some supper supper supper glue and glue your hands to your head.when the glue dries jump of the building with the cable cutting your head off and you would have your head glued to your hands ...... some one would see that and be like wtf omg that dude ripped his head off ... he mst have been pisssed!!!



    My Current Build Log: (16 8" Sundown subwoofers)
    http://www.caraudio.com/forum/showthread.php?t=367352

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    Re: *Box design w/ pics...*

    The highest I can go is "2.82" is the largest I can get without shrinking the area of the vent opening inside the box below 2.82

    Fb = 28.85Hz



    Quote Originally Posted by kickerassman View Post
    i was thinking some thing like this..... get a reall fine but strong sharp cable like them tension cables tie it around your neck and tie it to something..... then get some supper supper supper glue and glue your hands to your head.when the glue dries jump of the building with the cable cutting your head off and you would have your head glued to your hands ...... some one would see that and be like wtf omg that dude ripped his head off ... he mst have been pisssed!!!



    My Current Build Log: (16 8" Sundown subwoofers)
    http://www.caraudio.com/forum/showthread.php?t=367352

  5. #5
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    Re: *Box design w/ pics...*

    24.5 x 1.825 is way too skinny, 24.5 x 2.82 is still too skinny.

    have you thought of using aeroports?




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    Re: *Box design w/ pics...*

    I'm was going for simplicity



    Quote Originally Posted by kickerassman View Post
    i was thinking some thing like this..... get a reall fine but strong sharp cable like them tension cables tie it around your neck and tie it to something..... then get some supper supper supper glue and glue your hands to your head.when the glue dries jump of the building with the cable cutting your head off and you would have your head glued to your hands ...... some one would see that and be like wtf omg that dude ripped his head off ... he mst have been pisssed!!!



    My Current Build Log: (16 8" Sundown subwoofers)
    http://www.caraudio.com/forum/showthread.php?t=367352

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    Re: *Box design w/ pics...*

    Well, I looked into mounting the vent elsewhere, and came up with this:

    old:
    Hv = 24.5 in
    Wv = 1.825 in
    Lv = 24.5 in
    @28Hz

    F3 = 31.82 Hz

    new:
    Hv = 5.25 in
    Wv = 5.25 in
    Lv = 10.25 in
    @29.14Hz

    F3 = 31.49 Hz

    The vent will be mounted facing the same direction of all the drivers (unlike last time where it was mounted on the side) in the top right-hand corner in the picture.



    Quote Originally Posted by kickerassman View Post
    i was thinking some thing like this..... get a reall fine but strong sharp cable like them tension cables tie it around your neck and tie it to something..... then get some supper supper supper glue and glue your hands to your head.when the glue dries jump of the building with the cable cutting your head off and you would have your head glued to your hands ...... some one would see that and be like wtf omg that dude ripped his head off ... he mst have been pisssed!!!



    My Current Build Log: (16 8" Sundown subwoofers)
    http://www.caraudio.com/forum/showthread.php?t=367352

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    Re: *Box design w/ pics...*

    I still think you should make the port a lot bigger especially if your using all 4 subs. the width 5.5" is alright but id go with a higher port also.



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    Re: *Box design w/ pics...*

    needs a LOT more port area




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    Re: *Box design w/ pics...*

    i'd say more port, thats tuned a lil low also imo.




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    Re: *Box design w/ pics...*

    tuned low for SQ, but around 32Hz, still good!

    Not going comp and blowing out my windows here..

    if I make the ports any bigger, the length will be too long and will go straigt through the box...I'll see what I can do...thanks for the help!



    Quote Originally Posted by kickerassman View Post
    i was thinking some thing like this..... get a reall fine but strong sharp cable like them tension cables tie it around your neck and tie it to something..... then get some supper supper supper glue and glue your hands to your head.when the glue dries jump of the building with the cable cutting your head off and you would have your head glued to your hands ...... some one would see that and be like wtf omg that dude ripped his head off ... he mst have been pisssed!!!



    My Current Build Log: (16 8" Sundown subwoofers)
    http://www.caraudio.com/forum/showthread.php?t=367352

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