Radian 1245-16 Speaker Diaphragm - for 2" drivers, 16ohms, also fits several JBL 1.4" and 2" exit compression drivers, including model 2445, 2446, 375, 2440, 2441, 2447, 2450, 2451 and Peavey model 44T and 44XT...
Radian 1225-8 - speaker diaphragm for 1" drivers, 8ohm, also fits several JBL 1.4 and 2 exit compression drivers, including model 2425, 2426, 2427 and 2416, 2417 with optional C-1225 back cap.