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Reload Thread: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

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    Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    I have enough room for 1 to 2CF at 30-32hz. The box needs to be 29" or less wide, depth and height doesn't really matter, around 16 - 18" proffered. Sub is a 12 inch Massive Audio Hippo 122 feeding it 1500WRMS.


    I see a lot of designs for slot ports, but I don't like the way a slot port looks in my interior. I was wondering if someone has a round or octoport design for the above dimensions?

    Thank you!!!
    -Bobby



    '65 VW Bus
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    '02 BMW 330xi (AWD coupe)
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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Why don't you give this guys a try Subwoofer Enclosure Design Service | eBay.




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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    If you're willing to pay I'd say trying to get hold of @Buck ;

    He does a great job.



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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    id recommend buck as well, or @bbeljefe ; not sure if he does designs though.



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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Quote Originally Posted by bmk6795 View Post
    id recommend buck as well, or @bbeljefe ; not sure if he does designs though.
    Thanks. I do modeling but I don't do cut sheets. Perhaps I'll get up to speed on Sketchup at some point but for now, I don't have time to learn it and I can build two boxes in the time it takes me to draw one, lol.



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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Quote Originally Posted by bbeljefe View Post
    Thanks. I do modeling but I don't do cut sheets. Perhaps I'll get up to speed on Sketchup at some point but for now, I don't have time to learn it and I can build two boxes in the time it takes me to draw one, lol.
    Lolol it takes me about 10 minutes to draw one up on sketchup after using it a couple times. Its not that hard to master.



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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Quote Originally Posted by bmk6795 View Post
    Lolol it takes me about 10 minutes to draw one up on sketchup after using it a couple times. Its not that hard to master.
    I understand that but I've been building boxes without cut sheets for twenty five years and it doesn't make sense to spend an hour doing a $25.00 drawing when I can build a $150.00 enclosure in the same hour.

    But I have played with Sketchup and when I have both the time and the inclination to do so, I'll become proficient with it.



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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Quote Originally Posted by bbeljefe View Post
    I understand that but I've been building boxes without cut sheets for twenty five years and it doesn't make sense to spend an hour doing a $25.00 drawing when I can build a $150.00 enclosure in the same hour.

    But I have played with Sketchup and when I have both the time and the inclination to do so, I'll become proficient with it.
    Oh yeah i understand where you're coming from. If I didn't need it I wouldn't use it either. Hell the only reason I do use it is because I don't have the means to cut the wood myself so I draw the sheet up and email it to my buddy who cuts for me. Else I prolly wouldnt use it either.



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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub-2.088-cf-30hz-26inches-wide.jpg
    Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub-hippo122.jpg
    Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub-hippoplot.png

    Thanks for the help. I was just wanting to see if someone already had something sketched up.

    Here is a design I just made for 2.088cf (gross) that works out to 2CF with sub installed at 30-31hz.

    Dimensions are: 26"W x 17"H X 11"D externally. Will use double baffle with sub recessed, all edges rounded. Going with 3/4" cabinet grade birch.

    I can use one 5 inch port that is 25.16" long or two 3 inch ports @ ~18" long (30-31hz).

    Thinking of going with the one 5 inch port, since since I can fit it with 1 bend....
    Last edited by VWBobby; 01-13-2014 at 12:51 AM.



    '65 VW Bus
    ------
    MA Hippo 122 (awaiting install),(2) Aura Sound 8's, (2) SoundStream 6.5 coax, (2) Alpine Type-S 6x9's [rear fill], MBQ DSC1500.1D, RF 501X

    '02 BMW 330xi (AWD coupe)
    ------
    Harman/Kardon 12-speaker System Option + Dayton HO D4 10" and PPI Ion 650.1 in sealed box
    And many more car audio goodies in storage

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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    You didn't mention it so I'll ask... did you account for port displacement?



    Owner, Audio Anarchy, LLC
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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    Actually, no.... I forgot that WinISD doesn't account for port displacement. It looks like Torres might be accounting for the displacement with the net volume being around 1.7CF? The box is 2.088 gross, so not sure what port and sub displacement would bring it down to. Using 5" port, 25 inches long.



    '65 VW Bus
    ------
    MA Hippo 122 (awaiting install),(2) Aura Sound 8's, (2) SoundStream 6.5 coax, (2) Alpine Type-S 6x9's [rear fill], MBQ DSC1500.1D, RF 501X

    '02 BMW 330xi (AWD coupe)
    ------
    Harman/Kardon 12-speaker System Option + Dayton HO D4 10" and PPI Ion 650.1 in sealed box
    And many more car audio goodies in storage

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    Re: Box design for 1 to 2CF @ 30-32hz aero or octoport? Single 12 inch sub

    sub site says 0.095ft3 displacement.



    Refs: dbornotdb, gymfreak101, yama168, Goindef154, Blanco Diablo

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