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<blockquote data-quote="audioholic" data-source="post: 7289526" data-attributes="member: 549629">12&#039;s have less cone area than 15&#039;s, so what? I guess by your theory, a 12&quot; round cone has better SQ than a 12&quot; square, since it has less cone area.12&#039;s do not inherently have less xmax than 15&#039;s. Nothing about the 3&quot; difference in cone diameter between those two sizes requires a different motor or suspension that would affect excursion. And even if they did, how would a lower rated linear excursion equal better SQ?If you want to talk about excursion affecting SQ, the 15&#039;s cone will need to move less than the 12&#039;s, meaning less of the coil leaving the gap and affecting BL, to achieve the same output level as the 12.If every 15 or 18 you&#039;ve ever heard sounded muddy, you haven&#039;t heard any good installs using those sizes. Your experience does not trump physics.I never said the surround of a round cone is studier than a square cone, I really am having a difficult time following your ambiguous comments on &#039;surround inertia&#039;.</blockquote>

[QUOTE="audioholic, post: 7289526, member: 549629"] 12's have less cone area than 15's, so what? I guess by your theory, a 12" round cone has better SQ than a 12" square, since it has less cone area. 12's do not inherently have less xmax than 15's. Nothing about the 3" difference in cone diameter between those two sizes requires a different motor or suspension that would affect excursion. And even if they did, how would a lower rated linear excursion equal better SQ? If you want to talk about excursion affecting SQ, the 15's cone will need to move less than the 12's, meaning less of the coil leaving the gap and affecting BL, to achieve the same output level as the 12. If every 15 or 18 you've ever heard sounded muddy, you haven't heard any good installs using those sizes. Your experience does not trump physics. I never said the surround of a round cone is studier than a square cone, I really am having a difficult time following your ambiguous comments on 'surround inertia'. [/QUOTE]

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