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Original Message
RE: Quads and Cat
Posted by triamp on January 13, 2017 at 03:19:23:
PK rebuilds the panels to better than new- better finish, better tolerances, etc; and he uses the original diaphragm coating material, which is rare stuff. To the best of my knowledge, Wayne is the only one using this special coating.
He also usually puts in a zener protection circuit, so you can feed your Quad with a real power amp. He rebuilds the high voltage bias circuit using modern, quality parts. He may replace some other parts, too, there are some capacitors etc in the circuit that he might replace with new / better ones.
His stuff is great- but it is STILL Quad ESL- which are some of the very best sounding speakers ever made, and his systems don't lose any of that.