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  1. #1
    caseyarndt's Avatar
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    Diamond D9 build

    2.18 cuft
    tuned to 32.06hz
    15"x31"x14.5"
    dual 4" PVC ports








    Let me know what you guys think or any suggestions on building technique for next time.
    I will hopefully be carpeting it tomorrow or sometime this week so Ill update it when I do.
    Ill probably post a video when its all hooked up too.



    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




  2. #2
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    Re: Diamond D9 build

    you sure theres enough mounting dpeth for the sub? It looks like its going to hit the port tubes



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    Re: Diamond D9 build

    Wow lol thats what I get for changing my design while I was building it without checking the math
    It hits the ports!!
    Needs about another quarter inch of clearance.
    What should I do? Hopefully I can make this box work or ill just sell it and build another.



    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

  4. #4
    caseyarndt's Avatar
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    Re: Diamond D9 build

    Double Post



    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. #5
    kushy_dreams's Avatar
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    Re: Diamond D9 build

    add another baffle



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    Re: Diamond D9 build

    Quote Originally Posted by kushy_dreams View Post
    add another baffle
    How have I never thought of this!? Lol



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    Re: Diamond D9 build

    Make an insert on the outside portion on the baffle good sir




    Quote Originally Posted by chillin View Post
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    Re: Diamond D9 build

    I would add bracing too.



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    Re: Diamond D9 build

    Hmmm seems small is that before or after displacement?

    Sub should be as far away from the ports as possible




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    Re: Diamond D9 build

    could you invert the sub?




  12. #11
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    Re: Diamond D9 build

    2.18 after displacement according to torres calc
    I guess i could invert the sub but I would prefer not to.

    Dang I think I can use this box for a type r 12 I have.
    do you think 2.18 net is too big for a type-r?



    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

  13. #12
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    Re: Diamond D9 build

    Quote Originally Posted by slim2fattycake View Post
    I would add bracing too.
    Single threaded rod maybe?



    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

  14. #13
    caseyarndt's Avatar
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    Re: Diamond D9 build

    I decided to use the cutout of the flush mount baffle to make a mounting ring to bring the sub out another 3/4 inch
    and it clears the ports.
    It's just the outside edges that are within an inch of the PVC, the center is at least 1.5" away from each port.
    do you think cooling will be diminished from the sub being that close?



    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

  15. #14
    Ronny's Avatar
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    Re: Diamond D9 build

    It will be fine.




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