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Car Audio Equipment
Subwoofers
Two 12" BTL's or one 15" LMS-5400?
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<blockquote data-quote="Remotia" data-source="post: 2208802" data-attributes="member: 568127"><p>Do you realize it takes 4 times the excursion to make a 16Hz tone relative to a 32Hz tone. There is nothing exaggerated about low end output, if anything LMS attempts to make it more accurate to match the higher end frequency low-distortion tolerance. It does not increase output downlow, but rather lowers distortion. The xmax is the same, but the BL is linear.</p><p></p><p>There is not a traditional high excursion subwoofer that can match it for distortion. You have to use XBL^2/ or some other compensation to compete with LMS. This is measurable and entirely obvious. Linear BL product truly makes a measurable and audible difference in distortion. If you want a quality midrange driver, then go for low xmax and low inductance, but the bottom line is, over the years, subwoofers and progressed and become more and more demanding. This is why underhung drivers sound better than overhung drivers, and the next step is split gap or linear coil or dual coil or otherwise...</p><p></p><p>20 years ago we all though 2" p2p was plenty of excursion, but since then designs have become more and more robust. We have seen the limits of high excursion where distortion actually becomes a problematic issue, therefore new technologies and developments have taken form. LMS is one of those technologies and it allows to true high excursion without high distortion.</p><p></p><p>So if you want a "SQ" driver as you would say, but one that is able to do 20Hz with high output, you'll need to compensate or redesign your traditional approach in some way unless you want to tolerate more distortion.</p><p></p><p>Punk0Rama, have you honestly heard our LMS drivers? I don’t think Sony would have just bought 30 of them for their newest and most sophisticated recording studio if were not an SQ driver.</p></blockquote><p></p>
[QUOTE="Remotia, post: 2208802, member: 568127"] Do you realize it takes 4 times the excursion to make a 16Hz tone relative to a 32Hz tone. There is nothing exaggerated about low end output, if anything LMS attempts to make it more accurate to match the higher end frequency low-distortion tolerance. It does not increase output downlow, but rather lowers distortion. The xmax is the same, but the BL is linear. There is not a traditional high excursion subwoofer that can match it for distortion. You have to use XBL^2/ or some other compensation to compete with LMS. This is measurable and entirely obvious. Linear BL product truly makes a measurable and audible difference in distortion. If you want a quality midrange driver, then go for low xmax and low inductance, but the bottom line is, over the years, subwoofers and progressed and become more and more demanding. This is why underhung drivers sound better than overhung drivers, and the next step is split gap or linear coil or dual coil or otherwise... 20 years ago we all though 2" p2p was plenty of excursion, but since then designs have become more and more robust. We have seen the limits of high excursion where distortion actually becomes a problematic issue, therefore new technologies and developments have taken form. LMS is one of those technologies and it allows to true high excursion without high distortion. So if you want a "SQ" driver as you would say, but one that is able to do 20Hz with high output, you'll need to compensate or redesign your traditional approach in some way unless you want to tolerate more distortion. Punk0Rama, have you honestly heard our LMS drivers? I don’t think Sony would have just bought 30 of them for their newest and most sophisticated recording studio if were not an SQ driver. [/QUOTE]
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Two 12" BTL's or one 15" LMS-5400?
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