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Discussion Starter #1
I am currently running a Cerwin Vega CLS-15s subwoofer. I really have no complaints with the subwoofer aside from the gawdy surround and dustcap. I recently switched my main speakers to a pair of JBL LSR305 studio monitors and the sound is amazing. I found JBL GTO1514 car audio subwoofer being used in other home theater applications and on the surface it appears that it would be a nice drop in replacement. Here is the tech specs from JBL:

http://www.jbl.com/resources/Brands...uments/en-US/BoxesandParameters/GTO1514TD.pdf

And the manual on the CLS-15s:

http://www.cerwinvega.com/manuals/home/Classic-Sub_manual.pdf

I believe the enclosure is 5/8 mdf and there is one vertical internal brace towards the rear to seperate the 300w bash amp, and two ports that I believe are 3"x12".

What's your opinion on this swap? Am I wasting time and money?
 

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Without the TS parameters of the cerwin vega sub, it's going to be difficult to do a proper comparison.
The jbl sub on paper looks like it would be best suited to a sealed enclosure. An optimum sized ported box for HT use is going to be quite large.
 

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Discussion Starter #3
That's what I'm seeing on my winisd box software. I'm going to take some measurements tonight with the rew and see what my actual is now.
 

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I've just plugged the jbl specs into winisd. Sealed 150L will hit Xmax with 250w and give 101db @ 20hz. Ported 320L will hit Xmax with 300w and give 112db @ 20hz with roll off at 18hz. So the ported box would be way better but at over 11 cu ft, it's massive.
 
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