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Reload Thread: 12" ported enclosure help?

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    12" ported enclosure help?

    I just picked up a 12" diamond d9 and now i need to build a ported box for it. dunno if i should tune it to 28hz or 30hz? I will be using two 4 " port tube becasue slotted is too difficult especially when i dont have a table saw. will using two 4 in port tube eliminate any port NOISE? thanx







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    Re: 12" ported enclosure help?

    bump with sum help




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    Re: 12" ported enclosure help?

    i think two 4" dia ports should be plenty, but have fun fitting them in the box!

    for a 2ft^3 box you'd need two 40" long, 4" dia ports to get a tuning of 28Hz!

    i think a slot port would be easier. if you are making the cuts for the outside of the box, why can't you do a few more for a port?

    this has the same port area as two 4" dia ports, and would fit in most trunks, while keeping a good portion of your cargo space free.

    http://www.subwoofertools.com/forum/...&Vas=&Fs=&CE=0




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    Re: 12" ported enclosure help?

    wow your right that does look easy. most of the time i see slotted ports with alot of bends and folds creating a very complex cut for me. but that looks realy easy with just two more extra cuts. thanks




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    Re: 12" ported enclosure help?

    no problem! good luck with your box. i hope it turns out well.




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    Re: 12" ported enclosure help?

    is there a big difference from tuning 28hz vs. 30 hz?




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    Re: 12" ported enclosure help?

    no, 30 will be fine.




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