2 compression drivers have brand new OEM JBL replacement Diaphragms. Then I have 7 used ones also. All are 16 ohm nominal impedance. Also have 6 JBL cast aluminum horns (last 2 pics). JBL 2425J Compression Drivers & NEW JBL Factory Speaker Replacement Horn Diaphragm 2425, 2425J, 2426, 2427, D16R2425