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Thread: DJiK's Ported Subwoofer Enclosure

  1. #1
    Maximum Bitrate DJiK's Avatar
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    Cool DJiK's Ported Subwoofer Enclosure

    This is my second time building a box.

    The Specs:

    • 2 Cubic Feet
    • 2 10" Deep x 3" Diameter Round PVC Ports
    • Tuned to 40 Hz
    • ¾" MDF
    • 65° Angle (to fit behind the back seats)
    • Amplifier Shelf


    The Pictures:
    From this:


    To this:


    Testing the Subwoofer:


    Done Deal:

    Up Next:

    • Installing and Testing Subwoofer
    • Mounting Two Speaker Terminals (1 per coil)
    • Test Fitting in the Trunk
    • Carpeting the Box
    • Securing Everything in the Car


    Let me know what you guys think!
    For Sale: Carputer (CarPC) & RCA Y-Adapter
    Newsflash: Take a look at my unsold stuff above, thanks!
    Up Next: Make an OBD to Serial cable & Redo the "MMI buttons"

  2. #2
    FLAC
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    Those ports have a REALLY high risk of being noisy. Don't be surprised if you get some whistle.

    Otherwise it looks great.

  3. #3
    Maximum Bitrate DJiK's Avatar
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    Quote Originally Posted by Shadow View Post
    Those ports have a REALLY high risk of being noisy. Don't be surprised if you get some whistle.
    I've checked everything with WinISD. The RMS air velocity should peak right under 109 ft/s at an input signal of 500W. That's under 10% of the speed of sound (1,116.4 ft/s), so I think I'll be fine.

    I'll let you guys know how close to reality that theory is.
    For Sale: Carputer (CarPC) & RCA Y-Adapter
    Newsflash: Take a look at my unsold stuff above, thanks!
    Up Next: Make an OBD to Serial cable & Redo the "MMI buttons"

  4. #4
    FLAC
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    Well, last time I blew across the top of a coke bottle it made a noise and I'm WAY under 10% of the speed of sound.

  5. #5
    Maximum Bitrate DJiK's Avatar
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    Quote Originally Posted by Shadow View Post
    Well, last time I blew across the top of a coke bottle it made a noise and I'm WAY under 10% of the speed of sound.
    LoL.
    I see what you're saying.

    I've tested the box with the sub in (an Audiobahn AW1206T) at home and it worked wonders! It rattled the **** out of the garage! The air was felt 3' away from the ports.
    I'll bet I didn't even feed 100W of juice to it during the test.

    Anyway, the pics are to follow later tonight. -- Uploaded.
    Then it'll be paired with the correct amp and tested inside the trunk of a small Japanese car. Hmm...
    That should be fun!
    For Sale: Carputer (CarPC) & RCA Y-Adapter
    Newsflash: Take a look at my unsold stuff above, thanks!
    Up Next: Make an OBD to Serial cable & Redo the "MMI buttons"

  6. #6
    FLAC
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    Yay, crappy sub.

  7. #7
    Newbie DCU1976's Avatar
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    WinISD

    Did you use WinISD to build the shape of your enclosure. and what did you use to mak up the 3D drawings? looks good!

  8. #8
    Maximum Bitrate BarryWoods's Avatar
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    Quote Originally Posted by DCU1976 View Post
    Did you use WinISD to build the shape of your enclosure. and what did you use to mak up the 3D drawings? looks good!
    Sketchup??
    Failure is not an option....



    It's installed by default on every version of Windows.

  9. #9
    Maximum Bitrate DJiK's Avatar
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    Quote Originally Posted by DCU1976 View Post
    Did you use WinISD to build the shape of your enclosure. and what did you use to mak up the 3D drawings? looks good!
    As BarryWoods said, all of the 3D drawings were made in Google SketchUp! (it's free, click here to download). After drawing the rough sketch I checked the dimensions, parameters, and properties in WinISD. Then I confirmed with SketchUp to see that it's actually buildable.
    For Sale: Carputer (CarPC) & RCA Y-Adapter
    Newsflash: Take a look at my unsold stuff above, thanks!
    Up Next: Make an OBD to Serial cable & Redo the "MMI buttons"

  10. #10
    Newbie DCU1976's Avatar
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    Thanks!

    Thanks! Off to 3D modeling I go!

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