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    caseyarndt's Avatar
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    box suggestions for diamond d9 12

    Diamond recommends a 1.75 cuft ported enclosure
    with a 4" round port tuned to 35 hz, sub is rated at 800 rms.

    I was thinking about building this
    2.12 cuft ported with two 4" aeros tuned at 31.63 hz

    Let me know what you think
    Any recommendations on the size/tuning?
    My goal is sq and I prefer ported boxes.
    Thanks



    Car: Chevy Cobalt Coupe
    Front Stage: Mids: Aura rpm 4", Midbass: Four Aura NS6's
    Rear Fill: Pioneer 6x9s
    Amps: 2 Rockford Fosgate T400-4's, and a T1500-1BDCP
    Electrical: Stock 140amp alt, Big 3, and a SHURiKEN SK-BT100
    Winter sub setup: Kicker F12a IB mounted from rear deck
    In the works: Diamond D9 12




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    B-Sh0t's Avatar
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    Re: box suggestions for diamond d9 12

    I had one in 2 cubes @29hz on a mmats 1400.1 pushing about 900rms one of the cleanest sub stages I had.




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    Re: box suggestions for diamond d9 12

    Great that's what I was hoping to hear. Thanks

    My design would be something close to this but with only one woofers.
    Which position would you guys recommend
    the woofer mounted nearest to the external opening of the ports,
    or the sub nearest to the internal opening of the ports?
    Ideally I would like to mount the sub on one of the ends.




    Car: Chevy Cobalt Coupe
    Front Stage: Mids: Aura rpm 4", Midbass: Four Aura NS6's
    Rear Fill: Pioneer 6x9s
    Amps: 2 Rockford Fosgate T400-4's, and a T1500-1BDCP
    Electrical: Stock 140amp alt, Big 3, and a SHURiKEN SK-BT100
    Winter sub setup: Kicker F12a IB mounted from rear deck
    In the works: Diamond D9 12

  5. #4
    assassin1840's Avatar
    assassin1840 is offline CarAudio.com Elite



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    Re: box suggestions for diamond d9 12

    you just doing one? i had my two last d d9 12s on a mmats 3500.1 daily and they were still stiff 7 months later. still waiting to hook up my 15s i got. may just do one. but if your doing to i got a design made for that already if you want



    97 civic ex new build coming soon. head unit poineer premier 690 fronts/rears diamond audio hex pros mid & high stage amp Diamond Audio HEX 700.4 sub amp dc 5k? maybe 7.5k sub stage 2 diamond audio d9 15d2s lwire stinger zero gauge & 4 gauge 3 c&d 102ah batts, kenitik 800,200 amp alt mechman
    http://www.caraudioclassifieds.org/forum/itrader.php?u=12942 http://www.caraudio.com/forums/itrader.php?u=1010415 and many more

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    Re: box suggestions for diamond d9 12

    Yea lol you talked so highly of them I had to pick one up...straight from DD to Diamond.
    What tuning and cuft did you use? But what do you think of the aero/sub placement though in the picture?
    And yes I only have one for now.



    Car: Chevy Cobalt Coupe
    Front Stage: Mids: Aura rpm 4", Midbass: Four Aura NS6's
    Rear Fill: Pioneer 6x9s
    Amps: 2 Rockford Fosgate T400-4's, and a T1500-1BDCP
    Electrical: Stock 140amp alt, Big 3, and a SHURiKEN SK-BT100
    Winter sub setup: Kicker F12a IB mounted from rear deck
    In the works: Diamond D9 12

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    Re: box suggestions for diamond d9 12

    If its going in your cobalt sub up and port passenger side or sub and port firing rear




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    assassin1840's Avatar
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    Re: box suggestions for diamond d9 12

    Quote Originally Posted by caseyarndt View Post
    Yea lol you talked so highly of them I had to pick one up...straight from DD to Diamond.
    What tuning and cuft did you use? But what do you think of the aero/sub placement though in the picture?
    And yes I only have one for now.
    lol didnt see that you were in mi. it was tuned to 34hz and it was 3.5 cubes after displacement but i think with that power you can go lower on tunning. also not sure about your design as i paid someone to do it a box designer lol get another and ill send ya the blue print haha, i did however read before that u could put that 12 in around 3 cubes and they get low just never tried. maybe i should make two boxes with my 15s and test it out



    97 civic ex new build coming soon. head unit poineer premier 690 fronts/rears diamond audio hex pros mid & high stage amp Diamond Audio HEX 700.4 sub amp dc 5k? maybe 7.5k sub stage 2 diamond audio d9 15d2s lwire stinger zero gauge & 4 gauge 3 c&d 102ah batts, kenitik 800,200 amp alt mechman
    http://www.caraudioclassifieds.org/forum/itrader.php?u=12942 http://www.caraudio.com/forums/itrader.php?u=1010415 and many more

  9. #8
    caseyarndt's Avatar
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    Re: box suggestions for diamond d9 12

    Ok do you think just over 2 cubes is enough airspace?
    And does anyone have any advice for the position of the sub in relation to the ports?



    Car: Chevy Cobalt Coupe
    Front Stage: Mids: Aura rpm 4", Midbass: Four Aura NS6's
    Rear Fill: Pioneer 6x9s
    Amps: 2 Rockford Fosgate T400-4's, and a T1500-1BDCP
    Electrical: Stock 140amp alt, Big 3, and a SHURiKEN SK-BT100
    Winter sub setup: Kicker F12a IB mounted from rear deck
    In the works: Diamond D9 12

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