Moby (Mike Diack) wrote on Tue, 15 June 2010 13:37 |
Ivan Beaver wrote on Wed, 16 June 2010 03:02 | What are you interested in comparing? Just sound/freq response-output?
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Yes it was a poorly posed question - to use an appaling expression, my bad. Lets forget about truck packability, weight, cost,aesthetics, rider acceptability and long term resale value.
I'm interested in, given identical amplifiers (probably a bridged PLX3402 per box), acoustic output, achievable bandwidth and "quality" (ie distortion, lumps etc). M
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Silas did some comparisons of Lab subs to dual Eminence 4015LF and TH Mini:
http://srforums.prosoundweb.com/index.php/mv/msg/47220/0/Phil Lewandowski and I did some comparisons of my dual Lab 12 front loaded cabs, a single 4015LF, a Growler, and the JBL SRX718:
http://srforums.prosoundweb.com/index.php/t/56314/19717/The SRX718 was a couple dB hotter than the 4015LF, using 900 watts compared to 700 watts.
The SRX728 would have 6 dB more level than the SRX718.
Silas 2x4015LF would have 6 dB more level than my single 4015LF.
Doing a little interpolation, it appears the Labs would have a bit more LF output (with less power input) below about 60 Hz and the SRX728 would be similar or have slightly more upper output (with more power input).
Given a bridged PLX3402 per box, the above should hold, as the Labs will probably show more power compression and loose the approximate 3 dB sensitivity advantage.
At any rate, the distortion testing we did makes it obvious that frequency response output curves tell only part of the story.
Art Welter