Detailed Product Description

Specification
Nominal Diameter:   460 (18) mm (in)
Nominal Impedance (1):   8 Ohm
Minimum Impedence:   6.5 Ohm
Nominal Power Handling (2):   600 W
Continuous  Power Handling (3):   1200 W
Sensitivity:   (1W/1m) (4) 99 dB
Frequency Range:   40 - 2000 Hz
Voice Coil Diameter:   76 (3) mm (in)
Winding Material:   Copper
Former Material:   Glass Fibre
Winding Depth:   23.5 (0.92) mm (in)
Magnetic Gap Depth:   10.5 (0.4) mm (in)
Flux Density:   1.25 T
Thiele & Small Parameters
Fs:   39 Hz
Re:   5.3 Ohm
Qes:   0.29
Qms:   6.1
Qts:   0.27
Vas:   207 (7.2) dm3 (ft3)
Sd:   1210 (187.6) cm2 (in2)
Eta Zero:   4 %
Xmax:   +/- 7 mm
Xvar:   +/- 8 mm
Mms:   149 g
Bl:   25.8 Txm
Le:   1.9 mH
Mounting and Shipping Info
Overall Diameter:   460 mm (18 in)
Bolt Circle Diameter:   440 mm (17.3 in)
Baffle Cutout Diameter:   422 mm (16.6 in)
Depth:   202 mm (7.95 in)
Flange and Gasket Thickness:   16 mm (5/8 in)
Net Weight:   10.7 kg (23.5 lb)
Shipping Weight:   12.2 kg (26.8 lb)
Shipping Box:   500x500x250 mm
                       (19.7x19.7x9.8 in)