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In Reply to: RE: Note that JA posted by E-Stat on March 12, 2025 at 17:29:52:
I will read the link more in depth a little later. The JBL 4310/4311 suck never liked them they came out in 1968 and sucked then and still suck. The 123A woofer and the LE5-2 midrange were not that good, and the LE-20 tweeter was a joke. The LE5-2 midrange was crossed way to high at 6 KHZ. drivers will start beaming with a frequency having a wavelength equal to the diameter of the radiating cone so a 5" speaker will start to beam around 5600 KHZ well under the JBL 6 KHZ crossover point. Rule of thumb for good design cross your drivers over a least an octave before beaming starts. So, the LE5-2 should have been crossed over at 4600 KHZ or less preferably even less then 4600 KHZ. And the tweeter a paper cone tweeter you're asking for a ragged response ok there are some exceptions to paper cone tweeters like the old AR phenolic ring paper cone tweeter or the advent fried egg tweeter but that's it. The JBL LE-20 tweeter really sucked.
The 4310/4311 are a bad example of JBL. But to be honest every speaker company has a shity model not trying to throw JBL under the bus or any other manufactures just stating the facts.
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- RE: Note that JA - seancuster71@gmail.com 18:41:04 03/12/25 (0)
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