31-VC30     …Brand New JBL 2412 and 2413 Aftermarket Diaphragm for drivers in JBL Eon10, JBL Eon10P, JRX100, Control 29 and Control 30 and Celestion UM46. Ferrofluid sold separately. JBL does not supply a diaphragm for this driver but we use this plastic aftermarket diaphragm very successfully. This is a special online only sale.

There is also a Cast Aluminum version. Brand New Genuine JBL 2412, 2412H-1, and 2413 drivers are also available or you can upgrade to higher powered Selenium D220TI Driver.