Detailed Product Description

Specification
Nominal Diameter:   320 (12) mm (in)
Nominal Impedance (1):   8 Ohm
Minimum Impedence:   6.9 Ohm
Nominal Power Handling (2):   500 W
Continuous Power Handling (3):   1000 W
Sensitivity (1W/1m) (4):   98.5 dB
Frequency Range:   40 -2000 Hz
Voice Coil Diameter:   76 (3) mm (in)
Winding Material:  Copper
Former Material:   Glass Fibre
Winding Depth:   19 (3/4) mm (in)
Magnetic Gap Depth:   11 (7/16) mm (in)
Flux Density:   1.3 T
Thiele & Small Parameters
Fs:   40 Hz
Re:   5.3 Ohm
Qes:   0.17
Qms:   3.7
Qts:   0.16
Vas:   76 (2.7) dm3 (ft3)
Sd:   522 (80.9) cm2 (in2)
Eta Zero:   2.8 %
Xmax:   +/- 8 mm
Xvar:   +/- 10 mm
Mms:   77 g
Bl:   25.5 Txm
Le:   1.25 mH

Mounting and Shipping Info

Overall Diameter:   315 mm (12.4 in)
Bolt Circle Diameter:   298 mm (11.7 in)
Baffle Cutout Diameter:   283 mm (11.1 in)
Depth:   147 mm (5.8 in)
Flange and Gasket Thickness:   14 mm (0.55 in)
Net Weight:  4.9 kg (10.8 lb)
Shipping Weight:   5.6 kg (12.3 lb)
Shipping Box:    340x340x170 mm
                        (13.4x13.4x6.7 in)