NOMINAL SPECIFICATIONS : 

Nominal Diameter 160 mm ( 6 in) 
Overall Diameter 181.2/ 164 mm ( 7.13/ 6.46 in) 
Bolt Circle Diameter 167 mm ( 6.57 in) 
Baffle Cutout Diameter 147 mm ( 5.79 in) 
Depth 84.5 mm ( 3.33 in) 
Flange and Gasket Thickness 8 mm ( 0.31 in) 
Net Weight 1.2 Kg ( 2.6 lb) 
Shipping Box
( Single Carton Box - 4 units) 393 x 380 x 128 mm
( 15.5 x 15.0 x 5.0 in) 
Shipping Weight ( 4 units) 5.6 Kg ( 12.3 lb) 

TECHNICAL PARAMETERS : 

Nominal Impedance 8 Ohm
Minimum Impedance 5.9 Ohm
AES Power Handling ( 1) 100 W
Maximum Power Handling ( 2) 200 W
Sensitivity ( 1W/ 1m) 91 dB
Frequency Range 63÷ 5000 Hz
Voice Coil Diameter 32 mm ( 1.26 in) 
Winding Material Cu
Former Material Kapton
Winding Depth 12.5 mm ( 0.49 in) 
Magnetic Gap Depth 6 mm ( 0.24 in) 
Flux Density 1 T
Magnet Ferrite Ring
Basket Material Steel
Demodulation Aluminum Ring
Cone Surround ( 3) Half Roll
NET Air Volume filled by Loudspeaker 0.4 dm^ 3 ( 0.014 ft^ 3) 
Spider Profile 1x constant height waves