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<blockquote data-quote="sanzyuryu" data-source="post: 2720728" data-attributes="member: 548112">I have built several systems for customers with L7&#039;s and L5&#039;s over the years.&nbsp; For the normal, everyday person who just wants their car to bump, these subs hold up fine and there is absolutely NO difference in the sound Q between a square sub and a round sub.&nbsp; The only thing I have EVER noticed as a negative to a square sub is in an SPL system.&nbsp; There are some points on the cone that get stressed before others.&nbsp; You can physically see them, and they aren&#039;t like the regular old &quot;kicker marks&quot; where the tinsel lead and pads discolor the cone.&nbsp; These are to the left and right of the 90 degree corners, where the cone is weaker due to the shape.&nbsp; That is why most speakers are made circular, because all of the weight and stress is distruibuted equally, so you don&#039;t get these stress points.&nbsp; I think Kicker has it right with the way they build the square subs, because they really hold up nicely, except under real stress.&nbsp; And Im not talking about your normal system or even competition system, but rather the competitor that abuses everything they come in contact with...lol.Bottom line, a circular cone&#039;s strength is distributed equally, where a square cone has naturally weaker spots on the cone.&nbsp; Hope that helps.</blockquote>

[QUOTE="sanzyuryu, post: 2720728, member: 548112"] I have built several systems for customers with L7's and L5's over the years. For the normal, everyday person who just wants their car to bump, these subs hold up fine and there is absolutely NO difference in the sound Q between a square sub and a round sub. The only thing I have EVER noticed as a negative to a square sub is in an SPL system. There are some points on the cone that get stressed before others. You can physically see them, and they aren't like the regular old "kicker marks" where the tinsel lead and pads discolor the cone. These are to the left and right of the 90 degree corners, where the cone is weaker due to the shape. That is why most speakers are made circular, because all of the weight and stress is distruibuted equally, so you don't get these stress points. I think Kicker has it right with the way they build the square subs, because they really hold up nicely, except under real stress. And Im not talking about your normal system or even competition system, but rather the competitor that abuses everything they come in contact with...lol. Bottom line, a circular cone's strength is distributed equally, where a square cone has naturally weaker spots on the cone. Hope that helps. [/QUOTE]

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