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  1. #1
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    Box design

    So basicly this is what i came up with 10.79 cuft net
    Each chamber 2.03 cuft
    4" diameter aero ports cut to 12.5" long
    Optimal for the hfx12d4 made by hifonics
    This is just a temporary setup for my wife and i will be upgrading to some subs in the range of 250-350 each
    But tell me what you think and do you think this would work?

    http://s878.photobucket.com/user/Nut...tml?sort=3&o=0







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    Re: Box design

    @nkrell11 this was the idea I couldnt explain




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    Re: Box design

    Bump




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    Re: Box design

    Bump for opinions




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    Re: Box design

    Whats this going in but my opinion is hell no.



    2002 suburban
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    Re: Box design

    Quote Originally Posted by dbeez View Post
    Whats this going in but my opinion is hell no.
    The trunk of my wifes car , and why hell no ? Explain further




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    Re: Box design

    Sweet a trunk glad all trunks are the same sub up port up will be very inefficient not to even mention stuffing them all in there with less than optimal port area now why waste the time and effort for less output than 2 can do in a proper designed box.



    2002 suburban
    Security System Code alarm
    Electrical Dc power sp270 7 deka 9A31's and lots of 1/0
    Headunit pioneer 880prs
    Amps 2 Sax125.2 front stage crossfire xs8k@.5
    Wiring lots of 1/0 stinger, tsunami
    Mids & Tweeters 2 sets cdt m6+ mids 2 sets cdt tw25 tweets
    Subs 2-18" nightshade v2's d2
    System DetailsDaily driver.

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    Re: Box design

    So how much port area would be proper? Thats why I asked to look at it




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    Re: Box design

    Couple questions...

    Why did you opt to build 4 chambers?
    Did you model this box for the Hifonics subs or some future planned upon replacements?

    Critiques...

    Assuming you're using 3/4" material, you can't have 14" OD and 14" ID. If the box is 14" tall, internal will be 12.5, assuming only one layer of baffle, which isn't recommended. Also with ID/OD... 36.5" width and depth would be 35" internal. Accounting for internal braces, you end up with 2.12ftⁿ per chamber before port and driver displacements, which is fine. Also, port area is fine for the Hifonics drivers you listed but wouldn't be enough for a driver with some real xmax. The Hifonics subs only have 6.5mm.

    Also, I don't think the port up sub up combination is going to sound good in a trunk car.



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    Re: Box design

    I recommend stepping back and doing 2-12's with 2 6" aeros.



    2002 suburban
    Security System Code alarm
    Electrical Dc power sp270 7 deka 9A31's and lots of 1/0
    Headunit pioneer 880prs
    Amps 2 Sax125.2 front stage crossfire xs8k@.5
    Wiring lots of 1/0 stinger, tsunami
    Mids & Tweeters 2 sets cdt m6+ mids 2 sets cdt tw25 tweets
    Subs 2-18" nightshade v2's d2
    System DetailsDaily driver.

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    Re: Box design

    nkrell11's Free Enclosure Designs & Cut Sheet To Whoever Wants One

    This is the one nkrell11 designed for me idk dimensions or what not but would this be better mine was just a thought that could be tweaked to make it proper




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    Re: Box design

    I recommend a 6" aero per 12 I feel box needs to be a bit bigger now I see why everyone says sa subs are louder in higher frequencies that small a box will causee a peaky box.



    2002 suburban
    Security System Code alarm
    Electrical Dc power sp270 7 deka 9A31's and lots of 1/0
    Headunit pioneer 880prs
    Amps 2 Sax125.2 front stage crossfire xs8k@.5
    Wiring lots of 1/0 stinger, tsunami
    Mids & Tweeters 2 sets cdt m6+ mids 2 sets cdt tw25 tweets
    Subs 2-18" nightshade v2's d2
    System DetailsDaily driver.

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    Re: Box design

    Yeah he built that box for the sa woofer , im using the hifonics woofer but he said it was close to my needs and it should work fine




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    Re: Box design

    The SA's have 19mm of xmax as opposed to the Hifonics' 6.5mm. There is also a disparity between EBP (42 v 58) and power handling (300 v 600) on those subs, and I question the veracity of the 300 watt rms claim Maxxsonics makes for the latter. Frankly, the Hifonics subs aren't going to perform well in a ported enclosure of any kind and the SAs would make tons of port noise in that box on anything near or above rated power.



    Owner, Audio Anarchy, LLC
    2915 Youree Drive, Shreveport, LA
    318-780-6149

    Authorized Dealer in NW Louisiana for CT Sounds & Execution Audio. We also carry other products but you really don't want that stuff... ;-)


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    Re: Box design

    So I may as well go sealed 1.5 cubes each




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