SPECIFICATION : 

Throat Size 1" , 25.4mm
Nominal Impedance* 8© 
Minimum Impedance 7.6 ohm @ 3.7 kHz © 
Power Rating* * 80 W ( AES) 
Resonance 0.54kHz
Usable Frequency Range 1200Hz-20kHz
Recommended Crossover 1.2 kHz / 12 dBkHz
Sensitivity* * * 106.1
Magnet Material Ferrite
Magnet Weight 34oz, 0.96kg
Voice Coil Diameter 2" / 51mm
Voice Coil Former Polyimide
Diaphragm Material Titanium
DC Resistance ( Re) 6.1© 

MOUNTING INFORMATION : 

Overall Diameter 5.25" , 133.4mm
Driver Volume Displaced 0.018 cu.ft., 0.5 liters
Depth 2.2" , 55.9mm
Weight 5 lbs, 2.3 kg
Mounting Thread N/ A
Mounting Holes Diameter 2X 1/ 4-20 or 3x M6
Mounting Holes B.C.D. 3 in. 76.2 mm or 2.25 57.