2PCS Replacement Diaphragm Fit For JBL 2425J, 2426J, 2427J, 2420J 16Ohm D16R2425

Overall Diaphragm Diameter: 2 15/16″ (74mm) 
Voice Coil Diameter:  1 3/4″ (44.4 mm)  
Mounting Holes: 2 1/4″ (57mm) Center To Center

Also fit for JBL: 2425J, JBL 2426J, JBL 2427J, 4604, 4671, 4604B, 4627A, 4633A, 4660A, 4662A, 4671B, 4671OKA, 4672A, 4690A, 4691B, 4699B, 4726A, 4728A, 4731A, and many more !