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    crakerhead's Avatar
    crakerhead is offline CarAudio.com Elite



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    first box build

    hey all i'm building my first ported box. it's for a dd 9515. i got dimensions from dd themself. here they are :20" Deep, 15" Tall, 34" Wide. I'm not sure what the dimensions of the port will be. I need help on how to place the port wood inside of box. I'm making out of 3/4 mdf btw. When I go to place to get wood what dimensions should I cut the wood into? And what should the dimensions of the port wood be? Can you'll post pics boxes' inside. This way I can get an idea of what goes where and all. Thanks a lot everyone!







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    crakerhead's Avatar
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    it's all going in the back of a 1990 audi 80 sub will be powered by jbl 1200 at one ohm. dd says this is supposed to be a 4 cubic ft box. they didn't say what to tune it to though. but if you have dimensions for a 3 cubic ft box that would be great too to save some space b/c as of now i have no room what so ever. I'd actually rather a 3 cft box so it can actually move some air in the trunk.




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    If your asking how big the port should be then you have opened a can of worms. It depends on what freq. you want the box porrted at. I can tell you that if your port was 3" wide the you should keep it at least 3" off the sides and bottom of your enclosure.




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    crakerhead's Avatar
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    well dd told me to tune it to around 45 hz. how do i know the dimensions?




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