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Multi-Way Conventional loudspeakers with crossovers

Beryllium fatigue
Beryllium fatigue
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Old 9th August 2018, 08:42 PM   #11
ScottG is offline ScottG  United States
diyAudio Member
Join Date: Feb 2003
Location: US
-often the application of older drivers and newer cheaper drivers (and more expensive low-production numbers) is hand-done, and so less precise (aka SLOPPY).

It could also be an additional compound to dampen the outer-edge of the driver.

It really doesn't matter if it's Be or not, several compression drivers will have sloppy applications like this. Many compression driver maufacturers just coat the entire diaphragm and some give it a "special" proprietary name.

As for Be drivers - I don't think (guess) you would see cracking (without a good microscope) up until it actually failed. Sort of a "hard fail" material in this form and use. (..not unlike pure ceramic domes.)
perspective is everything
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