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Reload Thread: New Box Build for 4 DD 1508's

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    wheeler8921's Avatar
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    New Box Build for 4 DD 1508's

    Im ready to pick up the sheet of MDF tomorrow, and my subs get here Monday/Tuesday. And my amp (IA 20.1) should be here by the end of next week if all goes as planned.

    Anyways, I am not working with the biggest trunk and I have some questions about what would be the best/loudest.

    Max Height: 14"
    Max Depth: 16"
    Max Length: 41"

    1.) Subs back port back sub back : port location: Across the top [Kerfed]
    2.) Subs back port back sub back : port location: All the way to the left/right of box [kerfed]
    3.) Subs back port back sub back : port location: center of the box with 2 subs on each side [kerfed]
    4.) Subs back port on side or front.
    5.) Any options 1-4 but subs up

    Pretty much im lookin to see what port varation and sub position would be best for this setup in a closed trunk where the seats don't fold down.




    Car: 2004 BMW (E46) 325i
    HU: Alpine 9886
    Sub: JL 12W7
    Amp: JL 1000/1
    Box: ~1.75 Cubes @ 32 Hz
    REFS: jblanford, oglejust, jnoel, pioneerpimp, hoxie08, alxmlr789, AudioXtremes, sundownz x3, andytb, Varsity Bumer, oxsign, Megalomaniac, Safe Cracker, Brett A, Cody Scott, masone, bumping150s, deez, bnel09, Titanbk, JT1979(scammer), NightDrifter05, BumpMW, lexani2002, sciononhub, DD_Dave, garrettpf, sick1, sic402, davidfre21, atsaubrey, Blinkdogo2, w0lv3121n3(scammer), TurdFergueson2, Blados, 2000Gator




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    wheeler8921's Avatar
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    Re: New Box Build for 4 DD 1508's

    no assistance?! DAYUM!




    Car: 2004 BMW (E46) 325i
    HU: Alpine 9886
    Sub: JL 12W7
    Amp: JL 1000/1
    Box: ~1.75 Cubes @ 32 Hz
    REFS: jblanford, oglejust, jnoel, pioneerpimp, hoxie08, alxmlr789, AudioXtremes, sundownz x3, andytb, Varsity Bumer, oxsign, Megalomaniac, Safe Cracker, Brett A, Cody Scott, masone, bumping150s, deez, bnel09, Titanbk, JT1979(scammer), NightDrifter05, BumpMW, lexani2002, sciononhub, DD_Dave, garrettpf, sick1, sic402, davidfre21, atsaubrey, Blinkdogo2, w0lv3121n3(scammer), TurdFergueson2, Blados, 2000Gator

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    Re: New Box Build for 4 DD 1508's

    subs up, port back



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    Project: Avalanche V1... http://www.caraudio.com/forum/showthread.php?t=345189
    Project: Avalanche V2... http://www.caraudio.com/forum/showthread.php?t=432321
    Project: F350... Coming Soon!
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    Re: New Box Build for 4 DD 1508's

    3.) Subs back port back sub back : port location: center of the box with 2 subs on each side [kerfed]




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    Re: New Box Build for 4 DD 1508's

    Quote Originally Posted by bones22 View Post
    3.) Subs back port back sub back : port location: center of the box with 2 subs on each side [kerfed]
    X2. In my experience with trunk cars, they're louder firing both the port and subs back... if you can completely seal off the trunk and fire into the cabin, that is ideal but probably not an option in this case.



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    Re: New Box Build for 4 DD 1508's

    this is the way I wanna go, but in terms of calculating the Lv (port length) of a port in the center of the box, I know 1 measurment goes from the middle of the port on the front all the way back almost to the port wall, but 1/2 the distance it is wide.. Kinda confusing, but since there are 2 port walls here where 1 goes to the left and the other goes to the right, do I just split the difference?




    Car: 2004 BMW (E46) 325i
    HU: Alpine 9886
    Sub: JL 12W7
    Amp: JL 1000/1
    Box: ~1.75 Cubes @ 32 Hz
    REFS: jblanford, oglejust, jnoel, pioneerpimp, hoxie08, alxmlr789, AudioXtremes, sundownz x3, andytb, Varsity Bumer, oxsign, Megalomaniac, Safe Cracker, Brett A, Cody Scott, masone, bumping150s, deez, bnel09, Titanbk, JT1979(scammer), NightDrifter05, BumpMW, lexani2002, sciononhub, DD_Dave, garrettpf, sick1, sic402, davidfre21, atsaubrey, Blinkdogo2, w0lv3121n3(scammer), TurdFergueson2, Blados, 2000Gator

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    Re: New Box Build for 4 DD 1508's

    Quote Originally Posted by bmxbikes View Post
    Use pool water.
    Prime example of why not to inbreed.




    Car: 2004 BMW (E46) 325i
    HU: Alpine 9886
    Sub: JL 12W7
    Amp: JL 1000/1
    Box: ~1.75 Cubes @ 32 Hz
    REFS: jblanford, oglejust, jnoel, pioneerpimp, hoxie08, alxmlr789, AudioXtremes, sundownz x3, andytb, Varsity Bumer, oxsign, Megalomaniac, Safe Cracker, Brett A, Cody Scott, masone, bumping150s, deez, bnel09, Titanbk, JT1979(scammer), NightDrifter05, BumpMW, lexani2002, sciononhub, DD_Dave, garrettpf, sick1, sic402, davidfre21, atsaubrey, Blinkdogo2, w0lv3121n3(scammer), TurdFergueson2, Blados, 2000Gator

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    Re: New Box Build for 4 DD 1508's

    can't go kerfed port in middle, i can go regular port in middle, but the port area would be 10in^2 less than recommended...




    Car: 2004 BMW (E46) 325i
    HU: Alpine 9886
    Sub: JL 12W7
    Amp: JL 1000/1
    Box: ~1.75 Cubes @ 32 Hz
    REFS: jblanford, oglejust, jnoel, pioneerpimp, hoxie08, alxmlr789, AudioXtremes, sundownz x3, andytb, Varsity Bumer, oxsign, Megalomaniac, Safe Cracker, Brett A, Cody Scott, masone, bumping150s, deez, bnel09, Titanbk, JT1979(scammer), NightDrifter05, BumpMW, lexani2002, sciononhub, DD_Dave, garrettpf, sick1, sic402, davidfre21, atsaubrey, Blinkdogo2, w0lv3121n3(scammer), TurdFergueson2, Blados, 2000Gator

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    wheeler8921's Avatar
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    Re: New Box Build for 4 DD 1508's

    Box finished, awaiting final caulking of the roof of the box and carpeting which will get done tomorrow. Bumps by thurs night/friday *yay*




    Car: 2004 BMW (E46) 325i
    HU: Alpine 9886
    Sub: JL 12W7
    Amp: JL 1000/1
    Box: ~1.75 Cubes @ 32 Hz
    REFS: jblanford, oglejust, jnoel, pioneerpimp, hoxie08, alxmlr789, AudioXtremes, sundownz x3, andytb, Varsity Bumer, oxsign, Megalomaniac, Safe Cracker, Brett A, Cody Scott, masone, bumping150s, deez, bnel09, Titanbk, JT1979(scammer), NightDrifter05, BumpMW, lexani2002, sciononhub, DD_Dave, garrettpf, sick1, sic402, davidfre21, atsaubrey, Blinkdogo2, w0lv3121n3(scammer), TurdFergueson2, Blados, 2000Gator

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