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  1. #1
    mustangowner's Avatar
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    check my dimensions

    did the best I could on designing this box. Its for my 2 alpine 10' type r's. I am gonna make a single chamber with one slotted port.

    box specs:
    Height--10" (will work)
    width--31"
    depth--24"

    Port specs:
    Tuning to 32 hertz
    width--4"
    height--8 1/2"
    length--20.59"

    box will be 3.265 ^3 total
    -port (.459^3)=2.806^3
    -sub displacement (.115 per sub=.23)=2.576^3
    -bracing (.076)=2.5^3 which is 1.25^3 per sub according to manf. specs.

    please look over this and let me know of any mistakes i might have made.





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?




  2. #2
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    Re: check my dimensions

    could someone please double check this for me.





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  3. #3
    bcarpenterfhl's Avatar
    bcarpenterfhl is offline Kiss Me I'm Shitfaced



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    Re: check my dimensions

    your volume was calculated perfectly, displacements and everything. however, the tuning wasnt. the box is tuned closer to 38 Hz.




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    Re: check my dimensions

    what would i have to do to get the tuning down? make the port less than 4 inches wide?





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  5. #5
    jellyfish420's Avatar
    jellyfish420 is offline i design boxes .......



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    Re: check my dimensions

    you didn't believe me.....



    NEED A BOX DESIGN? PM ME


    HEAD UNIT
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    STOLEN

  6. #6
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    Re: check my dimensions

    you never gave me an answer to believe. so I did it myself...to the best of my knowledge.

    so what do i need to do to get 32 hertz?





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  7. #7
    jellyfish420's Avatar
    jellyfish420 is offline i design boxes .......



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    Re: check my dimensions

    Quote Originally Posted by mustangowner
    you never gave me an answer to believe. so I did it myself...to the best of my knowledge.

    so what do i need to do to get 32 hertz?
    hmmmm.... thats odd! i checked my sent box, and there is nothing, and you say you have nothing......but i distinctly remember yesterday writing you back and saying it was around 37Hz. i sat down and figured it out w/ pen and paper yesterday, right after you pm'd me. man my server has been fucking up alot lately!



    NEED A BOX DESIGN? PM ME


    HEAD UNIT
    860mp
    ACTIVE FRONT STAGE
    JBL GTO75.4 II
    RE 6.5
    VIFA XT25 ring radiator 1"
    SUB STAGE
    ega 1400d
    3HP FI
    STOLEN

  8. #8
    mustangowner's Avatar
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    Re: check my dimensions

    never got anything. so what do i need to do to tune it down some?





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  9. #9
    bcarpenterfhl's Avatar
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    Re: check my dimensions

    you could do many things such as decrease the port area, increase the port length, increase the volume, or a combination of any of them.




  10. #10
    Decipha's Avatar
    Decipha is offline www.EFI Dyno Tuning.com



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    Re: check my dimensions

    make the port length about 28" but that will mess with your net volume for your subs




  11. #11
    mustangowner's Avatar
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    Re: check my dimensions

    checked and rechecked and i still get this same design. it comes out the same everytime. Checked with WinISD and used... www.carstereo.com/help/Articles.cfm
    to help with calculations. Here is a drawing of the box i plan to build...
    Attached Thumbnails Attached Thumbnails check my dimensions-box.jpg  





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  12. #12
    bcarpenterfhl's Avatar
    bcarpenterfhl is offline Kiss Me I'm Shitfaced



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    mustangowner's Avatar
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    Re: check my dimensions

    got another question...when someone says length of the port, does this mean length down the center of the port or along the side of the port? cause that can make a big difference.





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  14. #14
    mustangowner's Avatar
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    Re: check my dimensions

    bump





    2000 Mustang GT Coupe (yeah, it's mean)

    Headunit -Pioneer deh-p6700mp
    Amp - Power Acoustic A1800db @ 2 ohms
    Subs -RE Audio 10" SE
    Box -at home in a ported box @ 1.5 cubic ft. net tuned to 33 hz
    Components -factory mach 460
    Electrical System -Stock with "BIG 3" (2 gauge wire)
    Wiring -4 Gauge Power & Ground

    REFS: Ridnclean, schrummy, hrtbrk1, mr_kebo, Ridinhi, kharps, mk_, corto

    Quote Originally Posted by Blunt
    why is it that all these idiots wanna be heard from blocks away? Do you buy your system for everyone else or for yourself?

  15. #15
    Fiesta_si's Avatar
    Fiesta_si is offline Junior Member



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    Re: check my dimensions

    It means the center line down the middle of the port i.e. if the port is 2 inches from the side wall you would measure the port length 1 inch from the side wall - the center line.

    Mike




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