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Old 15th December 2008, 05:38 AM   #1
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Location: Norlane; Geelong: Victoria: Australia
Default Ebay in Australia

I am looking for opinions on these boxes, and for the identity of the purported builder if possible, as I take all Ebay descripotions with a large grain of salt until I have dealt with the seller at least once

http://cgi.ebay.com.au/JBL-18-SUB-SU...1%7C240%3A1318

Are thse real subs or more SPL for DJ work??
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Old 15th December 2008, 06:09 AM   #2
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It's a prosound driver, but if it's built well, should be far better than a one-note bass honker.

Here's the published specs:

SPL: 98dB @ 1W, 1m
Fs: 30hz
Re: 2.5R
Qts: 0.23
Qms: 2.2
Qes: 0.25
Vas: 480L
Sd: 0.130m2
Xmax: 5.5mm
Xlim: 12.5mm one way
Vd: 720cm3
Le: 0.65mH
Pe: 300W RMS
Bl: 17 N/A
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Old 15th December 2008, 06:18 AM   #3
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Thanx wonder why my search didn't turn that info up?

nice performance specs though, not what I am after though, is it priced a little low for a Pro-sound driver??
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Old 15th December 2008, 06:36 AM   #4
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The driver is obsolete, and it's likely that the seller doesn't know what the things are worth - which is a fair bit, they're still considered pretty good. I think that driver belongs in a horn, but it's probably possible to get a vented box looking good. I'm pretty sure the box shown is too small, but eh, maybe it measures fine.

Those specs are from the PDF on the JBL site for the 2240 4 ohm version.

As a curiosity, the sticker swap indicates that the basket (and the cone? I'm not sure which parts define which model) originally belonged to a E155, but it has since had the coil changed to make it a 2240. The 2245 also shared that basket.
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