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<blockquote data-quote="Art Welter" data-source="post: 84440" data-attributes="member: 52"><p>Re: PK Sound</p><p></p><p></p><p>Loren,</p><p></p><p>Efficiency aside, the TC LMS 5400 18" at 33.66mm Xmax, 47.6 Xlim (95.2 mm peak to peak, that's 6.2 mm more than the JBL 2269H, Tim) has more than double the linear excursion than the BC 18SW115, so it's low frequency output potential is 6+ dB more than the 18SW115.</p><p></p><p>You do need far more power using the LMS 5400, but fewer subs to match the LF output capability of the BC 18SW115.</p><p></p><p>There is a trade off, probably around 50 Hz and above where the LMS 5400 would not handle enough power to keep up with the 18SW115's sensitivity.</p><p></p><p>You can't have everything in from one cone design, for most PA use the 18SW115 rules, but for musical genres that require the most output below 40 Hz, the the LMS 5400 wins.</p></blockquote><p></p>
[QUOTE="Art Welter, post: 84440, member: 52"] Re: PK Sound Loren, Efficiency aside, the TC LMS 5400 18" at 33.66mm Xmax, 47.6 Xlim (95.2 mm peak to peak, that's 6.2 mm more than the JBL 2269H, Tim) has more than double the linear excursion than the BC 18SW115, so it's low frequency output potential is 6+ dB more than the 18SW115. You do need far more power using the LMS 5400, but fewer subs to match the LF output capability of the BC 18SW115. There is a trade off, probably around 50 Hz and above where the LMS 5400 would not handle enough power to keep up with the 18SW115's sensitivity. You can't have everything in from one cone design, for most PA use the 18SW115 rules, but for musical genres that require the most output below 40 Hz, the the LMS 5400 wins. [/QUOTE]
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