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    Enclosure design. AQ HDC318 (2)

    Vehicle: 2004 Jeep Grand Cherokee
    Location in vehicle: Rear Hatch area
    Space Available: http://wjjeeps.com/i..._area_dimen.jpg
    Width: 40"
    Depth:30" (up to 32" possible)
    Height: Up to 35" (at 25" though I cant see out of the back window, should I just wall it at this point?)
    Subwoofer make and Model: Audioque HDC318 http://www.soundqube...oofer_p_25.html
    Subwoofer Size: 18 inch
    Number of Subwoofers: 2
    Type of port: Slot Port
    Type of music I like: Mainly rap and rock
    Tuning freq: 38 hz (found this to be best in my research for these subs)
    Volume: Open to ideas
    Amp: 2 AQ2200d's strapped @ 1 ohm


    This is what AQ has said to me in an email:
    15.56^ft Gross internal volume 180sq inch port at 30" long. Tunes you at 33hz. This is also the smallest inclosure we recommend.



    Questions: Im researching how to design my own box but i figured I would start this up right now. In the end I will need a cut sheet, a drawing would be a huge help also.
    Last edited by aemeth; 02-23-2013 at 12:40 PM. Reason: Better measurements







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    Re: Enclosure design. AQ HDC318 (2)

    i did 6cubes each tuned to 32 around 72inches of port area and it got nasty and sounded great but alot of people say go with more port area... I dunno check my vid if ya get bored and see for yourself Iloveaudio87 all one word on youtube




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    Re: Enclosure design. AQ HDC318 (2)

    72 inches of port for 2 18.s??? lol i got almost 80 for.my 2 12.s




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    Re: Enclosure design. AQ HDC318 (2)

    Anyone bored today and want to work out a design for these?




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    Re: Enclosure design. AQ HDC318 (2)

    Got some actual maximum dimensions other just 33 inches high? The link to dimensions you posted isn't working for me. I am currently working out a box design for one of these myself. I am trying to shoehorn it into a trunk though so at most I am going to see like 5.2 cubes. Not ideal but it models well in win isd so I am going to give it a shot. AQ actually recommended that low of a tuning to you? The only thing I have ever seen out of them is higher tuning like 38-40 hz. I am shooting for 34-35 myself. In win isd it looks like the output would be very peaky with a higher tune like 38-40ish hz. That peak only goes up as enclosure volume increases as well. If thats what you want it could be a good thing but I want mine to stay a bit more musical.




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    Re: Enclosure design. AQ HDC318 (2)

    Width: 40"
    Depth:30" (up to 32" possible)
    Height: Up to 35" (after 25" though I cant see out of the back window, should I just wall it at this point?)

    And yes that is AQ's cut and pasted response.
    Everything I have read however, (and ive read alot) says to have 6-7 cubes per sub, 15 or 16" port per cube and tune it to 38hz




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    Re: Enclosure design. AQ HDC318 (2)

    they normally respond better in larger enclosures, but can work in smaller. I've done 2 18's in 10.25^3 net for an Envoy. Did like a 52+ sealed up and played into the upper 20's tuned at 38Hz. Wasn't ideal but got the job done...




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