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Thread: sub woofers

  
  1. #1
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    mitch_peppitt's Avatar
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    Question sub woofers

    why do subs come in different sizes. Does each size create a different sound or is it purely for space reason.
    cheers

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    Toms1989's Avatar
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    Answered your own question there mate

    Each sub serves different purposes, smaller subwoofers are more responsive, and respond well to dance, trance, club music with a fast rate of beats per minute

    the larger you go through the subwoofer range, the lower notes it will hit, for example large subwoofers IE 15" ones respond really well to rap music, and R n B music, however as you go up through the range, they lose responsiveness, and sound quite flappy when playing dance music etc

    All subwoofer respond different too in what enclosure/box they are in, and thats a whole different kettle of fish

    thats subwoofer sizes in a nutshell really
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    mania's Avatar
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    As to some extent bass response is limited by how much air the speaker displaces (which is its surface area * distance it moves, xmax), a bigger subwoofer can typically go lower/louder. Though the larger the speaker is the less adept it is at playing high notes - the cone's too big/heavy to respond quickly, flexing/distorting at higher frequencies. (This is why midrange speakers are smaller, then tweeters smaller again)

    So if your sub has to cover a lot of midbass which your main speakers can't reproduce you'd be better off getting a smaller one, at the cost of some low end bass. In a home theatre or similar though where the mains can go down to 30hz, you'd be fine having a ridiculously large/"slow" sub (ported 15"+) even for music.

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