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    Box tuning

    From my understanding, the tuning of the box is determined during the building process. My question is, is there a way to figure out a box's tune after its been built? Might be a dumb question but ohhh well.







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    Re: Box tuning

    yes... just figure out the dimensions of the box (internal cubic), and then the dimensions of the port... and that will give you your tuning



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    Re: Box tuning

    so say like 1.5 cubes in each chamber (2 chambers) and a port thats about 16x4 just ballparking




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    Re: Box tuning

    you'd also need the depth of the port... then i could figure your tuning



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    Re: Box tuning

    I am not meaning to jack this thread, it is some info I am looking for.

    mast240, what about a form fitting box? I have a stock sub box that my car came with that I just want to replace the sub. I don't even know the cu is of the box because of the odd shape of it.







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    Re: Box tuning

    for odd shapes you divide it up into regular shapes and get an approximate area.. triangles squares circles etc..



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    Re: Box tuning

    yea... for odd shaped box's, its more of an approximation.... if you wanted to find EXACT size, and the box is plastic, like yours, you could always use water to find out the exact size... 7.5 gal = 1 ft cubed... just make sure its 1. completely sealed, and 2. you dry it out COMPLETELY before re-installing it, 3. theres no internal circuitry that could get fried from the water (i.e. stock internal amp)



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    Re: Box tuning

    ok so once i get those measurements, how do you calculate the frequency?




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    Re: Box tuning

    its a nice LONG equation... but there are a ton of calculators out there that u can use... just Google box tuning calculator... THE12VOLT.COM has some nice ones



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    Re: Box tuning

    mast240, i got as close as I can with it. It is about .15 cuft. This is a sealed box too.




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    Re: Box tuning

    ok... i guess it had an 8 in it stock?



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    Re: Box tuning

    Yes, and a 8" is going back in.




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    Re: Box tuning

    ok... so what are you asking?



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    Re: Box tuning

    What are the hz of the box so I will have the sub tuned right?




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    Re: Box tuning

    if its a sealed box, there is no tuning bro



    NEW TO CAR AUDIO? READ THIS FIRST... http://www.caraudio.com/forums/general-discussion/532425-new-car-audio-read-first.html
    the loudest montero sport around
    head unit: toshiba thrive 10.1" android tablet/ Kenwood KVT-516
    front stage: each door: 1 8' RF p1 (midbass), midrange: 2 cadence cwm6.5's, 1 memphis pr 6.5 coax (kickplate), 1 cadence 4' coax (a-pillars)
    subs: 4 AQ HDC3 18'S, walled in a clamshell
    amps: subs: AB 500.1, looking for a second; midrange and midbass: 2 AP 1000.4

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