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Reload Thread: Check my math

  1. #1
    tooshort_128's Avatar
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    Check my math

    If I had a box that was 30X13.5X16 (outside) and was built with 3/4 MDF, would the internal volume be 3.3 cubic ft.? This is before sub and port displacement.



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    Re: Check my math

    yes - to the before port and sub displacement.




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    Re: Check my math

    i came up with 2.8697916 cubic feet...



    <First and only dual-alternator 'real' Saturn (pre 2002) on the planet>
    Team Concepts, Team Shok Industries Team XS Power
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    4 power+ 4 ground runs of 1/0-gauge to rear
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    Re: Check my math

    do your own math ftw



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    Re: Check my math

    Quote Originally Posted by Pioneer~Saturn View Post
    i came up with 2.8697916 cubic feet...
    i got 2.87




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    Re: Check my math

    ^hmm, i think im right



    <First and only dual-alternator 'real' Saturn (pre 2002) on the planet>
    Team Concepts, Team Shok Industries Team XS Power
    Soon: Mystery subs + AQ20k
    12.75 cubes net ~25Hz tuning 200 sq inches of port (lowz?)
    AC position- 250 amp alt
    Stock alt position- 225 amp alt
    (2) XS Power D3100's
    4 power+ 4 ground runs of 1/0-gauge to rear
    152.1 @ 40Hz legal, certified...just getting started.

  7. #7
    tooshort_128's Avatar
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    Re: Check my math

    what's the formula? Is it HxWxL/1728?



    HU: stock Nav unit
    Front Stage: stock Bose
    Rear Fill: stock Bose
    Sub Amp: Diamond Audio D5 1200.1
    Sub: 12" TC Sounds LMS-R
    Enclosure: 2 cube rear loaded horn @32Hz (thanks Jason aka Mobile Enclosures)
    Electrical: Kicker 0 gauge, Big 3, Stinger SP1000

    REFS: groundpound4200, NeedDirections, connersdad19, psych0ticnemes1, tez4life, 4OZGLOVES, gazayute

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    Re: Check my math

    Quote Originally Posted by Pioneer~Saturn View Post
    i came up with 2.8697916 cubic feet...
    That's what I got.




  9. #9
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    Re: Check my math

    2.87 cf

    You have to double the thickness of the MDF since it exists on both sides of a dimension. 30" outside means 28.5" inner.



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  10. #10
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    Re: Check my math

    Yep...subtract 1.5 from every dimension and then go normally from there...



    <First and only dual-alternator 'real' Saturn (pre 2002) on the planet>
    Team Concepts, Team Shok Industries Team XS Power
    Soon: Mystery subs + AQ20k
    12.75 cubes net ~25Hz tuning 200 sq inches of port (lowz?)
    AC position- 250 amp alt
    Stock alt position- 225 amp alt
    (2) XS Power D3100's
    4 power+ 4 ground runs of 1/0-gauge to rear
    152.1 @ 40Hz legal, certified...just getting started.

  11. #11
    tooshort_128's Avatar
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    Re: Check my math

    gotcha....thanks guys



    HU: stock Nav unit
    Front Stage: stock Bose
    Rear Fill: stock Bose
    Sub Amp: Diamond Audio D5 1200.1
    Sub: 12" TC Sounds LMS-R
    Enclosure: 2 cube rear loaded horn @32Hz (thanks Jason aka Mobile Enclosures)
    Electrical: Kicker 0 gauge, Big 3, Stinger SP1000

    REFS: groundpound4200, NeedDirections, connersdad19, psych0ticnemes1, tez4life, 4OZGLOVES, gazayute

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