NOMINAL SPECIFICATIONS : 

Nominal Diameter 250 mm ( 10 in) 
Overall Diameter 256.8 mm ( 10.11 in) 
Bolt Circle Diameter 243.8 mm ( 9.60 in) 
Baffle Cutout Diameter 233.8 mm ( 9.20 in) 
Depth 102 mm ( 4.02 in) 
Flange and Gasket Thickness 8 mm ( 0.31 in) 
Net Weight 2.2 Kg ( 4.9 lb) 
Shipping Box
( Single Carton Box) 282 x 280 x 140 mm
( 11.0 x 11.0 x 5.5 in) 
Shipping Weight 2.6 Kg ( 5.7 lb) 

TECHNICAL PARAMETERS : 

Nominal Impedance 8 Ohm
Minimum Impedance 6.2 Ohm
AES Power Handling ( 1) 150 W
Maximum Power Handling ( 2) 300 W
Sensitivity ( 1W/ 1m) 96 dB
Frequency Range 50÷ 4500 Hz
Voice Coil Diameter 37 mm ( 1.46 in) 
Winding Material Al
Former Material Kapton
Winding Depth 12 mm ( 0.47 in) 
Magnetic Gap Depth 8 mm ( 0.31 in) 
Flux Density 1 T
Magnet Ferrite Ring
Basket Material Steel
Demodulation No
Cone Surround ( 3) Accordion ( 4 waves) 
NET Air Volume filled by Loudspeaker 0.6 dm^ 3 ( 0.021 ft^ 3) 
Spider Profile 1x constant height waves