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<blockquote data-quote="audioholic" data-source="post: 7600539" data-attributes="member: 549629">Yes, velocity is part of the equation to calculate force applied, I did not mean to imply otherwise. But I already listed the only two ways cone speed can increase, raising the freq or increasing excursion. There simply is no other way. DD does not have some tech that allows it to break those laws of physics.As for the comparison of an LMS and a 9500, you are leaving out way too many variables to have your comparison give any valuable insight into the topic. Many &#039;high efficiency&#039; SPL drivers are simply designed to perform with a peaky output (in a given enclosure alignment) that helps it couple with the transfer function of most vehicles (in the upper bass region). Compare an LMS vs a 9500 over the entire useable freq range a subwoofer would be expected to play for music (not just a single note burp) and I think you&#039;ll find the results will change dramatically.Cheers.</blockquote>

[QUOTE="audioholic, post: 7600539, member: 549629"] Yes, velocity is part of the equation to calculate force applied, I did not mean to imply otherwise. But I already listed the only two ways cone speed can increase, raising the freq or increasing excursion. There simply is no other way. DD does not have some tech that allows it to break those laws of physics. As for the comparison of an LMS and a 9500, you are leaving out way too many variables to have your comparison give any valuable insight into the topic. Many 'high efficiency' SPL drivers are simply designed to perform with a peaky output (in a given enclosure alignment) that helps it couple with the transfer function of most vehicles (in the upper bass region). Compare an LMS vs a 9500 over the entire useable freq range a subwoofer would be expected to play for music (not just a single note burp) and I think you'll find the results will change dramatically. Cheers. [/QUOTE]

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