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Thread: 2 subs in one box, or 2 subs in 2 boxes

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    Constant Bitrate zzachattack2's Avatar
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    2 subs in one box, or 2 subs in 2 boxes

    Does anybody know any audible difference between having 2 subs in a single box vs 2 boxes with 1 sub per box?

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    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    all things being equal there isn't a difference.... problem is rarely are all things equal.... the subs will be independant of each other in two seperate enclosures... which is a good thing....

    slight power differences wont affect each other.... if one blows it won't affect the air volume to the other, if there both in the same chamber & 1 blows the other will now not have any suspension & is more likely to blow or be damaged also..... keep them seperate

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    Variable Bitrate HHdesign's Avatar
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    I have two subs in one box with a divider... so its really your own choice, but make them independant of eachother.
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    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    in one box with a divider is equal to two boxes.... as long as the chambers are seperated & sealed off from each other that is......

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    Constant Bitrate accentsound's Avatar
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    There is no advantage to having seperate boxes. It just complicates wireing and ends up taking up more space than a single.

    You failed to mention how you were going to wire the subs. Parallel, Series, single ended?

    Perhaps the only time seperate enclosures are a benfit is when you are going to use two dissimilar subs. The loudest systems out there all use common chamber vented boxes. If you are into SQ then a split chamber sealed box may be the way to go.

    Save your self a headache and keep em in the same box.

  6. #6
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    Quote Originally Posted by accentsound
    There is no advantage to having seperate boxes.
    the center piece is a brace. otherwise, id agree.

    since I brace my boxes as a general rule, I too would recommend a single chamber box.

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    Constant Bitrate zzachattack2's Avatar
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    alright thanks

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    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    I don't see how dividing one box in two affects space or wiring significanly at all...... I do know that if you blow a sub with them sealed from each other the blown one will not affect the other, while in a common chamber a blown sub will defanatley affect the other to the point it will be unusable.

    if both subs are equal & being feed an equal mono signal, then I will agree there is no difference.... but there are more benifits to seperated than not....

    I blew a sub once & ran the system for 6 months on one sub...... sounded great.... just down 3db in volume, but otherwise very o.k.

    you could never do that with a common chamber.... is that a benifit?

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    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    stupid question, what is the benifit of not seperating?

  10. #10
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    Quote Originally Posted by turbocad6
    stupid question, what is the benifit of not seperating?
    for odd shaped enclosures or even trapezoidal boxes, its way, way easier not to separate.

    for beginning woodworkers, its easier to not have to think about the seperate chamber when drawing a cutting diagram.

    for beginning woodworkers who have no tablesaw, it especially adds complexity. compared to no center divider.

    as far as blowing a subwoofer, I have to admit, you are the first person I've ever read who recomends that reasoning to back it up with an example. Personally, I think keeping that box in there with one good subwoofer is ghetto. I think the better answer is to not blow the subwoofer to begin with. In my experience, folks blow both at the same time or the amp. Or something that eliminates all the performance, not just half. I think a poll across a car audio forum would show a much higher frequency of getting fully shut down rather than a single woofer failure.

    but to reiterate, I think the name of the game between seperating and not seperating is "easy". But I think a gentleman before me said it best:

    Quote Originally Posted by turbocad6
    all things being equal there isn't a difference....
    he was right!

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