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 135 mm ( 5.31 in) 
Flange and Gasket Thickness 12 mm ( 0.47 in) 
Net Weight 4.3 Kg ( 9.5 lb) 
Shipping Box
( Single Carton Box) 350 x 346 x 190 mm
( 13.8 x 13.6 x 7.5 in) 
Shipping Weight 5 Kg ( 11.0 lb) 

TECHNICAL PARAMETERS : 

Nominal Impedance 8 Ohm
Minimum Impedance 6.7 Ohm
AES Power Handling ( 1) 300 W
Maximum Power Handling ( 2) 600 W
Sensitivity ( 1W/ 1m) 99 dB
Frequency Range 50÷ 4000 Hz
Voice Coil Diameter 65 mm ( 2.56 in) 
Winding Material Al
Former Material Glass Fiber
Winding Depth 12.5 mm ( 0.49 in) 
Magnetic Gap Depth 8 mm ( 0.31 in) 
Flux Density 1.2 T
Magnet Ferrite Ring
Basket Material Aluminum
Demodulation No
Cone Surround ( 3) M-Roll
NET Air Volume filled by Loudspeaker 1.9 dm^ 3 ( 0.067 ft^ 3) 
Spider Profile 1x variable height waves