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Distortion percentage chart [message #50151 is a reply to message #50147]

Sat, 14 October 2006 11:49

Wayne Parham
Messages: 18791
Registered: January 2001

Illuminati (33rd Degree)

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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[Message index]

		JBL 2012 discontinued? By: swett on Wed, 11 October 2006 01:07
		Midhorn drivers By: Wayne Parham on Wed, 11 October 2006 08:35
		Re: Midhorn drivers, < 0.1% distortion? By: swett on Fri, 13 October 2006 00:56
		Distortion percentage chart By: Wayne Parham on Sat, 14 October 2006 11:49

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