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    mickyd32's Avatar
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    port size

    wondering on port size for 2 Type R 12's in a 224ci box? also dual or single port?



    ---'95 Grand Prix GTP--
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    -Alpine MRDM 500 mono amp
    -Sony 754HX 4 chanell speaker amp
    -Alpine 174A SPR 6.5" comps (fronts)
    -Alpine SPS 690 6x9" rears (rears)
    -Boss audio Eq (forget the number)
    -Phoenix Gold 1.0 fard power cap
    -dual 12" type R's in a sealed box
    -4 guage wiring
    -custom fiberglassed door panels to fit the oversized door speakers (its like fun with playdough, but for big kids)
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    negativezeroz is offline Nothing Is Promised



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    Re: port size

    Quote Originally Posted by mickyd32
    wondering on port size for 2 Type R 12's in a 224ci box? also dual or single port?
    Im gonna guess 224ci is cubic inches? How about you convert that to ft^3 then tell everyone what you want it to be tuned to so you can get some help with it...



    Quote Originally Posted by profilepower
    lol..sum guy thinks a box make subs tight..
    a box might help alil....so you saying if ya 15 is in the same box as my 10. theyre both as tight as each other???
    whatever..the thing is the mark means something..so you thought i have a 10 foot sub???
    this guy is the dumest of you all....HAHahahAHAhaHahAHAhaHa
    oh i think the lil boy complaining is talking about i hit a n instead of a s. it confused him..
    i'm sorry lil boy now is it better......its 10'' is tighter.
    my 2 marks are too far apart i'm going back to 1. it means inches lil boys..ok
    Quote Originally Posted by Trey803
    ports should ALWAYS be larger than your capacitor
    http://shecant.myminicity.com/ind

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    tRiGgEr's Avatar
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    Re: port size

    24 square inches per driver for a slot port. That's a rough figure to use. Box size and tunning will effect what is required.



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    mickyd32's Avatar
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    Re: port size

    sorry I screwed up my math and forgot to include width in cubic inch calcualtion. Its 7152ci, or 4.14 cubic feet



    ---'95 Grand Prix GTP--
    -Kenwood KDC 522MP (should be better)
    -Alpine MRDM 500 mono amp
    -Sony 754HX 4 chanell speaker amp
    -Alpine 174A SPR 6.5" comps (fronts)
    -Alpine SPS 690 6x9" rears (rears)
    -Boss audio Eq (forget the number)
    -Phoenix Gold 1.0 fard power cap
    -dual 12" type R's in a sealed box
    -4 guage wiring
    -custom fiberglassed door panels to fit the oversized door speakers (its like fun with playdough, but for big kids)
    Compustar 2 way alarm/starter

    -=Danny=-

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



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    Re: port size

    i like 25in / 1 foot...your case--- 100 square inch for 4 cubic foot



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