| JBL 2012 discontinued? [message #50142] |
Wed, 11 October 2006 01:07  |
swett
Messages: 47
Registered: May 2009
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Baron |
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It appears the JBL 2012 has been discontinued. Has anyone tried the replacement and is it still suitable for the Pi midhorns? I was thinking of buying a pair of 2012's, especially if someone knows of a place that has a decent closeout price? Thanks, Ian
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| Re: Midhorn drivers, < 0.1% distortion? [message #50147 is a reply to message #50143] |
Fri, 13 October 2006 00:56  |
swett
Messages: 47
Registered: May 2009
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Baron |
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The best price I found for anyone with stock was jblpro.com's B-Stock for $240, which doesn't seem like a great deal for B-stock. I was looking at the specs, and they seem to indicate that the driver has less than 0.1% distortion(over 30db down) over most of the range its used in the midhorn. Am I reading that correctly? If so, thats quite impressive.
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| Distortion percentage chart [message #50151 is a reply to message #50147] |
Sat, 14 October 2006 11:49 |
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Wayne Parham
Messages: 18783
Registered: January 2001
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Illuminati (33rd Degree) |
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The JBL 2012 is a very nice driver, as are all the JBL Professional Series woofers and midrange drivers, in my opinion. However, distortion products that are 30dB below the fundamental represent 3% distortion. That's a pretty respectable figure for moderate to high output levels in the middle of the passband. Here's a dB - percentage conversion chart:-60dB = 0.1%
-55dB = 0.2%
-50dB = 0.3%
-45dB = 0.5%
-40dB = 1%
-35dB = 2%
-30dB = 3%
-25dB = 5%
-20dB = 10%
-15dB = 15%
-10dB = 30%
-5dB = 55%
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