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  1. #1
    yamaha326's Avatar
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    need help on ported boxes

    ok im making a box for a 15" l5 and i want to tune it to 32hz , but i dont know how to tune it



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------




  2. #2
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    Re: need help on ported boxes

    http://www.jlaudio.com/tutorials/ports/#ducts ok that tells me the formula , but i allready know what i want to tune it to, 32hz but i dont know how i would find that out



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------

  3. #3
    nosaj070's Avatar
    nosaj070 is offline CarAudio.com Veteran



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    Re: need help on ported boxes

    post your dimensions and i'll design one for you...



    Alpine CDA-7995, A/D/S 3 Series Comps, ED 8A, SoundStream Reference 604, 98 Civic Sedan
    AIM: nosaj070

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    Re: need help on ported boxes

    25x16x17 4.0 cu ft and i want to change the tuning to 35hz
    thanks...
    Last edited by yamaha326; 04-25-2004 at 06:23 PM.



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------

  5. #5
    yamaha326's Avatar
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    Re: need help on ported boxes

    Quote Originally Posted by nosaj070
    post your dimensions and i'll design one for you...
    is there anyone else on this forum that will design one for free



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------

  6. #6
    nosaj070's Avatar
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    Re: need help on ported boxes

    --Vents-- No. of Vents = 1
    Vent shape = rectangle
    Hv = 16 in
    Wv = 1.5 in
    Lv = 12.18 in



    Alpine CDA-7995, A/D/S 3 Series Comps, ED 8A, SoundStream Reference 604, 98 Civic Sedan
    AIM: nosaj070

  7. #7
    yamaha326's Avatar
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    Re: need help on ported boxes

    ok thanks man



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------

  8. #8
    yamaha326's Avatar
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    Re: need help on ported boxes

    anyone else know another program to use to calculate the vent size, besides loudspeaker101.com



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------

  9. #9
    yamaha326's Avatar
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    Re: need help on ported boxes

    is there anyone else on this forum that will design one for free



    1994 GMC SIERRA ext cab on 22's
    headunit.........p.o.s.sony
    speakers.......4 kenwood 4x6
    amp............1 hifonics bx2006i
    subs........... 2 12"kicker L7
    box...........ported 2.25 cu ft each tuned to 35hz
    wiring....scoshe
    too lazy..but need big 3 done!!!


    15" kicker cvr
    ported 3.5 cu ft sealed----------------------------------------------------------------
    aim--ymracing43
    [email protected]
    ----------------------------------------------------------------

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