Diaphragm for JBL 2446J, 2447J, 2450J, 2451J, 2452J 2450H 2445 2446 2447 H 4674 16ohm or 8ohm - AliExpress
4pcs of Replacement Diaphragm for JBL 2450 2450H 2445 2446 2447H 8ohm CCAR Coils | eBay
Replacement Diaphragm for JBL 2450 2450H 2445 2446 2447 H 8 ohm | eBay
Compact Monitor Systems - The JBL 2450CM made exclusively for Compact Monitor Systems, which allows a light weight Neodymium 2" driver to accept the JBL D16R2482 ~ a 4" edgewound aluminum ribbon
Best Compression Drivers today 2022? | Page 42 | diyAudio