NOMINAL SPECIFICATIONS : 

Nominal Diameter 300 mm ( 12 in) 
Overall Diameter 316 mm ( 12.44 in) 
Bolt Circle Diameter 298.5 mm ( 11.75 in) 
Baffle Cutout Diameter 282 mm ( 11.10 in) 
Depth 142 mm ( 5.59 in) 
Flange and Gasket Thickness 12 mm ( 0.47 in) 
Net Weight 9.2 Kg ( 20.3 lb) 
Shipping Box
( Single Carton Box) 350 x 346 x 190 mm
( 13.8 x 13.6 x 7.5 in) 
Shipping Weight 10 Kg ( 22.0 lb) 

TECHNICAL PARAMETERS : 

Nominal Impedance 8 Ohm
Minimum Impedance 7 Ohm
AES Power Handling ( 1) 700 W
Maximum Power Handling ( 2) 1400 W
Sensitivity ( 1W/ 1m) 96 dB
Frequency Range 45÷ 3150 Hz
Voice Coil Diameter 100 mm ( 4 in) 
Winding Material Al
Former Material Glass Fiber
Winding Depth 22 mm ( 0.87 in) 
Magnetic Gap Depth 10.5 mm ( 0.41 in) 
Flux Density 1.05 T
Magnet Ferrite Ring
Basket Material Aluminum
Demodulation No
Cone Surround ( 3) M-Roll
NET Air Volume filled by Loudspeaker 3.3 dm^ 3 ( 0.117 ft^ 3) 
Spider Profile 2x non-adjacent symmetrical constant height waves