Here's the driver that Robert has referenced ;

7

- JBL has been offering an aquaplased (plastic-coated) titanium diaphragm for around 15 years now ( "airbrushed" on, btw GM ) .

- This plastic coating greatly mitigates the "bite" / "zing" / "ear-wire" tendency of the titanium diaphragm .
- To my ear, the coated "Ti" type is still brighter than any stock aluminum diaphragm that I've heard .

- FWIW, Tannoy was the first to publish ( that I've seen ) printed copy, referencing the plastic coating of a HF diaphragm ( in the Silver Series from the late 50s ).
- HiFiLit is the reference for that bit of trivia .

>< cheers

ps ; Here is HiFiLits' reference to the plastic-coated aluminum alloy diaphragm.

8