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Reload Thread: AQ SDC2.5 12" Build Designs

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    MONSONwarrior's Avatar
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    AQ SDC2.5 12" Build Designs

    I am planning on doing a build for an Audioque SDC2.5 12" and was wondering what kinda space other people are running. I was looking at doing a 2.2 cu. ft. vented enclosure tuned to 35 hz. Before sub and port displacement it would be right around 4.1 cubes. I am working on some sketch-up designs that I will post on here when I get time.

    Thanks for whatever help I get!







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    Re: AQ SDC2.5 12" Build Designs

    I've found that with 2.0 cu/ft net yeilded the flattest response from the SDC's. You'll be quite fine at 2.2 cu/ft @ 35hz. That tuning suits them well also




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    Re: AQ SDC2.5 12" Build Designs

    your design will work, could even go 2.5net and tune to 38hz for daily as the SDC's hit the lows very well...




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    Re: AQ SDC2.5 12" Build Designs

    Quote Originally Posted by mlstrass View Post
    your design will work, could even go 2.5net and tune to 38hz for daily as the SDC's hit the lows very well...
    Okay, thank you. I'm going to play around with designs today and I'll upload some pics of the Sketch-Up's on here when I'm done.




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    Re: AQ SDC2.5 12" Build Designs

    Here is the 2.2 cu. ft. design tuned to 35 hz. The dimensions without the second baffle are 36L x 21D x 14H.

    The second is the 2.5 cube design I came up with. It's tuned to 38 hz like mistrass stated would be good. The outside dimensions minus the second baffel are 37.5L x 18D x 14H.
    Attached Thumbnails Attached Thumbnails AQ SDC2.5 12" Build Designs-.jpg   AQ SDC2.5 12" Build Designs-.jpg  
    Last edited by MONSONwarrior; 05-04-2010 at 11:29 AM.




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    Re: AQ SDC2.5 12" Build Designs

    Those boxes were way off cause I don't know what I was thinking but I had a very wrong displacement. Here is the final design and I will start next week.
    Attached Thumbnails Attached Thumbnails AQ SDC2.5 12" Build Designs-final-.jpg  




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    Re: AQ SDC2.5 12" Build Designs

    how much port area per net cube? port looks WAY long if doing 16^2 per cube...should be 18" long for 38Hz tuning...




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    Re: AQ SDC2.5 12" Build Designs

    I have my single sdc 15" tuned to 38hz and I love it. gets the lows really well but still has a wide range




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    Re: AQ SDC2.5 12" Build Designs

    The port is 3 wide, 12.5 tall and 23 long. The 12 volt told me that.




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    Re: AQ SDC2.5 12" Build Designs

    Quote Originally Posted by mlstrass View Post
    how much port area per net cube? port looks WAY long if doing 16^2 per cube...should be 18" long for 38Hz tuning...
    Depends on the port proportions as well. Skinnier ports need to be longer, and with a 2ft^3 box and a 16"x2" port, 18" long gives you a 42-43hz tune. A 8"x4" port 18" long drops the tuning one cycle. Neither of them really work out to 38hz.



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