Nominal Specifications
Nominal Diameter: 300 mm (12 in)
Overall Diameter: 316 mm (12.44 in)
Bolt Circle Diameter: 298.5 mm (11.75 in)
Baffle Cutout Diameter: 284 mm (11.18 in)
Depth: 155.75 mm (6.13 in)
Flange and Gasket Thickness: 12.45 mm (0.49 in)
Net Weight: 3.9 Kg (8.6 lb)

Technical Parameters
Nominal Impedance: 8 Ohm
Minimum Impedance: 6.4 Ohm
AES Power Handling: 500 W
Maximum Power Handling: 1000 W
Sensitivity (1W/1m): 97 dB
Frequency Range: 45÷4000 Hz
Voice Coil Diameter: 77 mm (3 in)
Winding Material: Al
Former Material: Glass Fiber
Winding Depth: 18.5 mm (0.73 in)
Magnetic Gap Depth: 10.5 mm (0.41 in)
Flux Density: 1.2 T
Magnet: Neodymium Slug
Basket Material: Aluminum
Demodulation: No
Cone Surround: M-Roll
NET Air Volume filled by Loudspeaker: 2.3 dm^3 (0.081 ft^3)
Spider Profile: 1x variable height waves

Thiele and small parameters
Fs: 45 Hz
Re: 5.1 Ohm
Qes: 0.26
Qms: 6.9
Qts: 0.25
Vas: 75.1 dm^3 (2.65 ft^3)
Sd: 487 cm^2 (75.49 in^2)
Xmax: 7.50 mm
Xdamage: 21.55 mm
Mms: 56.0 g
Bl: 17.5 N/A
Le: 0.83 mH
Mmd: 50.0 g
Cms: 0.22 mm/N
Rms: 2.29 Kg/s
Eta Zero: 2.50 %
EBP: 173 Hz