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Voice Coil :99.2mm
Overall Diameter: 127 mm
Impedance: 8 ohm
DC Impedance : 6.5ohm
Height (Coil ): 18 mm
Mounting holes are 1 3/4-in or 45 mm( center to center)
It fits for the drivers :
2440, 2440J, 2441, 2441J, 2445, 2445J, 375, 375J , 5A360, MI11427 driver and horn----and more