Detailed Product Description

Specification
Nominal Diameter:   250 (10) mm (in)
Nominal Impedance (1):   8 Ohm
Minimum Impedence:   6.2 Ohm
Nominal Power Handling (2):   200 W
Continuous Power Handling (3):   400 W
Sensitivity (1W/1m) (4):   98.5 dB
Frequency Range:   60 - 4000 Hz
Voice Coil Diameter:   64 (2.5) mm (in)
Winding Material:   Aluminium
Former Material:  Glass Fibre
Winding Depth:   12 (0.47) mm (in)
Magnetic Gap Depth:   8 (5/16) mm (in)
Flux Density:  1.25 T
Thiele & Small Parameters
Fs:   61 Hz
Re:   5.4 Ohm
Qes:   0.33
Qms:  4.5
Qts:   0.31
Vas:   32 (1.1) dm3 (ft3)
Sd:    320 (50) cm2 (in2)
Eta Zero:   2.5 %
Xmax:  +/- 4 mm
Xvar:   +/- 5.5 mm
Mms:   29 g
Bl:   15 Txm
Le:   0.5 mH

Mounting and Shipping Info

Overall Diameter:  261 mm (10.3 in)
Bolt Circle Diameter:  245 mm (9.6 in)
Baffle Cutout Diameter:  230 mm (8.8 in)
Depth:  122 mm (4.8 in)
Flange and Gasket Thickness:   12.5 mm (0.5 in)
Net Weight:   2 kg (4.4 lb)
Shipping Weight:   2.6 kg (5.7 lb)
Shipping Box:   270x270x150 mm
                      (11.2x11.2x5.9 in)