Detailed Product Description

Specification
Nominal Diameter:   460 (18) mm (in)
Nominal Impedance (1):   8 Ohm
Minimum Impedence:   6.3 Ohm
Nominal Power Handling (2):   1000 W
Continuous  Power Handling (3):   2000 W
Sensitivity (1W/1m) (4):   98 dB
Frequency Range:   35 - 1000 Hz
Voice Coil Diameter:   100 (4) mm (in)
Winding Material:   Copper
Former Material:   Glass Fibre
Winding Depth:   25 (1) mm (in)
Magnetic Gap Depth:   12 (1/2) mm (in)
Flux Density:   1.2 T
Thiele & Small Parameters
Fs:   31 Hz
Re:   5.1 Ohm
Qes:   0.27
Qms:   4.2
Qts:   0.26
Vas:   252 (8.9) dm3 (ft3)
Sd:   1210 (187.6) cm2 (in2)
Eta Zero:   2.7 %
Xmax:   +/- 9 mm
Xvar:   +/- 11 mm
Mms:   211 g
Bl:   28 Txm
Le:   1.7 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:   209 mm (8.2 in)
Flange and Gasket Thickness:   16 mm (5/8 in)
Net Weight:   9.3 kg (20.5 lb)
Shipping Weight:   10.8 kg (23.8 lb)
Shipping Box:   500x500x250 mm
                      (19.7x19.7x9.8 in)