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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: Re: That JBL Pro article is about 30 years old and misleading posted by mikebake on August 25, 2003 at 17:25:23:
I've read dozens of the articles on the JBLPro site over the years -- I especially like the one at the last link you provided because it explains how JBL rates woofers' power handling using a 40Hz. 12dB/octave high-pass filter to protect the drivers, which is fine for pro sound usage ... but many people up until a few years ago bought JBL 2235 and 2245 drivers for ported home DIY subwoofers
and used no high-pass filter protection at all because they wanted to hear/feel 20Hz. from their subs. So the JBL power ratings intended for pro use had low correlation with home usage as subwoofer drivers w/o high-pass filter protection. That's just one more example of differences between home and pro usage.For home usage, a 100 wpc amp with massive 10dB clipping oif bass transients could be replaced by a 200wpc amplifier ... and then there would only be 7dB clipping with the same input voltage, all other things equal. That would make little difference to the tweeter.
And the data in the above paragraph has no meaning at all for pro use
where limiters are always used.
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Follow Ups
- Had read that article years ago too! - Richard BassNut Greene 18:06:47 08/25/03 (2)
- Ha! - mikebake 18:16:05 08/25/03 (1)
- Then you're a smart guy - Richard BassNut Greene 18:42:46 08/25/03 (0)
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