Detailed Product Description

Specification
Nominal Diameter:   250 (10) mm (in)
Nominal Impedance (1):   8 Ohm
Minimum Impedence:   7.2 Ohm
Nominal Power Handling (2):   350 W
Continuous Power Handling (3):   700 W
Sensitivity (1W/1m) (4):   100 dB
Frequency Range:   80 - 4000 Hz
Voice Coil Diameter:   76 (3) mm (in)
Winding Material:   Aluminium
Former Material:   Glass Fibre
Winding Depth:   11(7/16) mm (in)
Magnetic Gap Depth:   8 (5/16) mm (in)
Flux Density:   1.45 T
Thiele & Small Parameters
Fs:    76 Hz
Re:    5.8 Ohm
Qes:   0.22
Qms:   4.8
Qts:    0.21
Vas:    20 (0.71) dm3 (ft3)
Sd:    320 (49.1) cm2 (in2)
Eta Zero:   3.9 %
Xmax:   +/- 1.5 mm
Xvar:   +/- 4.5 mm
Mms:    31 g
Bl:    19.6 Txm
Le:   1.2 mH

Mounting and Shipping Info

Overall Diameter:   262 mm (10.3 in)
Bolt Circle Diameter:   245 mm (9.6 in)
Baffle Cutout Diameter:   230 mm (8.8 in)
Depth:   124 mm (4.9 in)
Flange and Gasket Thickness:   14 mm (0.55 in)
Net Weight:   7.3 kg (16.1 lb)
Shipping Weight:   7.9 kg (7.4 lb)
Shipping Box:    320x320x160 mm
                        (12x12x6.3 in)