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<blockquote data-quote="Kyle_Keating" data-source="post: 4788363" data-attributes="member: 582385">big misconception about SQ subs and size...small subs are good when:you dont have much poweryou dont have much space.you want to be different (not necessary better)big subs are good when:lower distortionmore SPLmake up what your definition of SQ is, but mine is louder and less distortion which pretty much weeds out small subs. in fact i think 12&quot; should really be the smallest size a subwoofer should be made in - its a personal thing.as far as extension, small subs can be designed to reach low and large subs can be designed to reach higher. Because larger woofers tend to be more sensitive, larger subs actuality are better at highs most of the time and because they have more displacement, they are equally better a the lows. That&#039;s not to say larger is always better but in the case of subwoofers, this occurs frequently because TOO many mfrs design smaller drivers to be a subwoofer and sensitivity goes out the door. an 8 or 10&quot; midbass woofer can reach 90. But thats good because so can a big 18&quot; sub. But you&#039;ll never find a 8&quot; sub much beyond 85 unless its got a lot less xmax in which case its not really a sub :\They are really trying to make something thats not appropriate for a sub, into a sub because it can sell.the biggest issue that the big guys have with higher frequencies is not mass, but inductance, but if you can overcome that, you can reach very high frequencies with a subwoofer, and its light enough (sensitivity driven), you can take it clear the cone wavelength limit, nearly 800 Hz for a 15&quot; woofer! I have seen &quot;formal&quot; subs that can do that with great SPL and surpass 5,6, 8&quot; midbass woofers all day long. They had pro audio softparts, but non th less - respectable xmax and almost no inductance too.</blockquote>

[QUOTE="Kyle_Keating, post: 4788363, member: 582385"] big misconception about SQ subs and size... small subs are good when: you dont have much power you dont have much space. you want to be different (not necessary better) big subs are good when: lower distortion more SPL make up what your definition of SQ is, but mine is louder and less distortion which pretty much weeds out small subs. in fact i think 12" should really be the smallest size a subwoofer should be made in - its a personal thing. as far as extension, small subs can be designed to reach low and large subs can be designed to reach higher. Because larger woofers tend to be more sensitive, larger subs actuality are better at highs most of the time and because they have more displacement, they are equally better a the lows. That's not to say larger is always better but in the case of subwoofers, this occurs frequently because TOO many mfrs design smaller drivers to be a subwoofer and sensitivity goes out the door. an 8 or 10" midbass woofer can reach 90. But thats good because so can a big 18" sub. But you'll never find a 8" sub much beyond 85 unless its got a lot less xmax in which case its not really a sub :\ They are really trying to make something thats not appropriate for a sub, into a sub because it can sell. the biggest issue that the big guys have with higher frequencies is not mass, but inductance, but if you can overcome that, you can reach very high frequencies with a subwoofer, and its light enough (sensitivity driven), you can take it clear the cone wavelength limit, nearly 800 Hz for a 15" woofer! I have seen "formal" subs that can do that with great SPL and surpass 5,6, 8" midbass woofers all day long. They had pro audio softparts, but non th less - respectable xmax and almost no inductance too. [/QUOTE]

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