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Thread: Need help finding a sub box ...

  1. #1
    FLAC shakes's Avatar
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    Need help finding a sub box ...

    I'm going to be ordering an Infinity Perect 10.1 to replace the older 12 I have now (forget what it is).

    I'm having troubles finding a sealed box that's the right size though. Infinity says the ideal size is .65 cu ft (including the driver) with 1" of polly fill on the inside walls.

    Everything i'm finding on e-bay is 1 cu ft or more it seems. (and not the right shape)

    The box I have now for the 12 is flat on the front, and angled at the back. fits real nicely in the back of my jeep behind the seat ... so it'd be nice to have one like that again.

    any ideas? (other than make one)
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  2. #2
    Constant Bitrate Willy-Mach1's Avatar
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    Check how much volume the driver takes up....the one cubic foot spec on ebay is without the driver so it may just be right for you. As for the shape, I always build my own, it's the only way to get exactly the shape you want, just my $.02
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  3. #3
    FLAC shakes's Avatar
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    Quote Originally Posted by shakes
    Infinity says the ideal size is .65 cu ft (including the driver) with 1" of polly fill on the inside walls.


    According to infinity the .65 is the desired air space after taking the driver into account.

    I'm not against making my own ... but I'm not much of a carpenter ... and I know what I would make wouldn't come out nearly as nice as the box I have now from ebay.
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  4. #4
    Constant Bitrate Willy-Mach1's Avatar
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    Quote Originally Posted by shakes


    According to infinity the .65 is the desired air space after taking the driver into account.

    I'm not against making my own ... but I'm not much of a carpenter ... and I know what I would make wouldn't come out nearly as nice as the box I have now from ebay.
    hmmmm...that is strange, because that would be a VERY small box if that is so, most times manufacturers tell you the volume of airspace that should remain after you put in the sub (thus including the driver) something like....

    box volume - driver volume = box airspace

    but hey....Infinity's may need less airspace...hopefully someone will be able to help you out with that.

    and building a sub box is easier than you think, as long as you don't get into fancy shapes it is fairly uncomplicated...the key is sealing everything properly which some silicone caulk should take care of with some patience. You would be amazed at how much carpet has to do with the "nice look",
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  5. #5
    FLAC shakes's Avatar
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    yeah I thought it was pretty small too.

    Actually the 10.1 doesn't have box specs on infinity's site ... but the 10.1d (dvc) does ... and on ebay all the auctions list the 10.1 as wanting .6 (not 65 I guess).

    I'll attach the datasheet in case I'm reading it wrong?

    If I were to get a larger box, can I compensate with more or less fiberfill?
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  6. #6
    FLAC shakes's Avatar
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    or do you think a ported box would be better? I listen mainly to rock and am going for more of the 'punch' and less of the 'boom' ... that why i've always gone sealed, just heard they were better for that sort of thing.
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  7. #7
    Variable Bitrate HHdesign's Avatar
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    I find ported more dirtier, less accurate Bass, but Its louder and deeper IMHO. I know you dont want to hear it, but I would HIGHLY reccomend building your own box, I think the MTX site has specs for building a .65 cu ft box, thats a sealed enclosure. Its pretty simple to do, just take a little time.
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  8. #8
    Phillie Escalade182's Avatar
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    I'd build it...but then again I have a wood working shop in my basement for projects like this...

  9. #9
    Maximum Bitrate boomintrac's Avatar
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    I would go ported all day long, but thats my prefrence if it is built correctly and tuned right the ported will do an excelent job. as for ported enclosures sounding dirty, muddy, bad, or just for rap music. that is wrong. go into any high end audio place look at some $5000-$20000 mains and see how many are a sealed design.
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  10. #10
    Maximum Bitrate Snootch's Avatar
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    .6 cubic feet is the MINIMUM volume for accurate sound reproduction. I would just build a 1 cube box, and call it a day. The driver will eat up some airspace, and you'll be sitting at .85 or something. Sealed boxes are not that picky about airspace once they are larger than the minimum size. polyfill only serves to dampen reflections inside the enclosure, and "fool" the speaker into thinking the box is slightly larger.
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