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Reload Thread: Box(es) for E8A

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    ngsm13's Avatar
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    Box(es) for E8A

    Ok, i'm getting an E8A pretty soon...buying from sum1 who already has it. Next week i am going to be building a box for a friend and he's buying a sheet of mdf. SO, w/ the leftovers i want to build a box for my A...his box total will be bout 4cubes...so i should have enough left for like the .5 cubes i need for the 8A.
    Tough question, i wanted to go ported b/c i want to see how loud this lil thing will get...but any recommendations. I have only dealt w/ 10's and 12's.
    It will be powered by a jbl600.1

    So, i am a retard w/ boxes...i want about .5-.8 cubes ported @ 30 hz. i'm not sure on calculations...or how to use programs. so, any box that would add up to .5-.8 cubes and 30hz. Thanx for all the help guys. peace

    NG




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    I highly suggest the following webpage:

    http://www.edesignaudio.com/ep/abox.htm



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    ngsm13's Avatar
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    Originally posted by paikiah
    I highly suggest the following webpage:

    http://www.edesignaudio.com/ep/abox.htm
    yeah...I checked that out b4 too, and way too complicated for me. hopefully someone can help me out so i can make one with a single open port...not labyrinth (sp?) type. thanx tho, peace

    NG

    to make it easier...not sure if this will be anywhere near .5-.8 cubes but
    max dimensions of

    width: 14"
    depth:14"
    heighth: 20"

    thanx




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    Aurorav8's Avatar
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    Those dimensions are twice the size you need. It works out to be about 1.673 as you have it now.




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    well without taking into account the wood, port, or sub displacements those max dimensions are about 2.27 cubes....so you can go quite a bit smaller than that...good luck....if you want easy just use a round/tube port....you can use pvc or something similar and someone on here has the formula to figure it's length according to the diameter for w/e freq you want to tune it to




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    ngsm13's Avatar
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    ok, let's see here

    how about...

    width: 12.5"
    Heighth: 12.5"
    depth: 11"
    external dimensions

    so, it would be....11x11x9.5 then divide by 1728. Before displacement that would be .665 cubes. So, with those measurements...can sum1 help me out w/ a port to tune it to 30hz?? thanx, sorry for the trouble. peace

    NG




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    andy00018's Avatar
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    Originally posted by ngsm13
    ok, let's see here

    how about...

    width: 12.5"
    Heighth: 12.5"
    depth: 11"
    external dimensions

    so, it would be....11x11x9.5 then divide by 1728. Before displacement that would be .665 cubes. So, with those measurements...can sum1 help me out w/ a port to tune it to 30hz?? thanx, sorry for the trouble. peace

    NG
    The port is going to have to be mighty small, Iam coming up with a 3X1 by 8.5 inches long for a tuning of 35 hertz, anything wider is going to have to be way longer.



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    ngsm13's Avatar
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    ok, after talking to sum1 online....

    dimensions:
    width: 15
    heighth: 11
    depth: 11
    INTERNAL dimensions

    1.05 cubes before any displacement
    hopefully after port and sub displacement it should be near .6-.8 cubes

    don't kow if this makes it easier...but can i get 30hz tuning w/ this....preferably slot/square port. peace

    NG




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    ngsm13's Avatar
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    TTT, need some help please....thanx

    NG




    http://crunktimes.com/ct/
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