Detailed Product Description

Specification
Nominal Diameter:   320 (12) mm (in)
Nominal Impedance (1):   8 Ohm
Minimum Impedence:   6.7 Ohm
Nominal Power Handling (2):   350 W
Continuous Power Handling (3):   700 W
Sensitivity (1W/1m) (4):   99 dB
Frequency Range:   50 -3500 Hz
Voice Coil Diameter:   76 (3) mm (in)
Winding Material:  Aluminium
Former Material:  Glass Fibre
Winding Depth:  17.5 (11/16) mm (in)
Magnetic Gap Depth:  10 (0.4) mm (in)
Flux Density:  1.15 T

Thiele & Small Parameters
Fs:   49 Hz
Re:   5.7 Ohm
Qes:   0.26
Qms:   2.5
Qts:  0.25
Vas:   91 (3.2) dm3 (ft3)
Sd:   522 (80.9) cm2 (in2)
Eta Zero:   4.1 %
Xmax:   +/- 4 mm
Xvar:   +/- 5.5 mm
Mms:   43 g
Bl:   17.3 Txm
Le:   1.5 mH

Mounting and Shipping Info

Overall Diameter:   315 mm (12.4 in)
Bolt Circle Diameter:   296 mm (11.6 in)
Baffle Cutout Diameter:   282 mm (11.1 in)
Depth:   144 mm (5.7 in)
Flange and Gasket Thickness:   12.5 mm (0.5 in)
Net Weight:   3.2 kg (7.0 lb)
Shipping Weight:   3.9 kg (8.6 lb)
Shipping Box:   380x380x170 mm
                      (15x15x6.7 in)