Nominal Specifications
Nominal Diameter: 300 mm (12 in)
Overall Diameter: 315.2 mm (12.4 in)
Bolt Circle Diameter: 298.5 mm (11.75 in)
Baffle Cutout Diameter: 283 mm (11.14 in)
Depth: 140.6 mm (5.54 in)
Flange and Gasket Thickness: 12.1 mm (0.48 in)
Net Weight: 2.5 Kg (5.5 lb)

Technical Parameters
Nominal Impedance: 8 Ohm
Minimum Impedance: 6.2 Ohm
AES Power Handling: 300 W
Maximum Power Handling: 600 W
Sensitivity (1W/1m): 99 dB
Frequency Range: 50÷5000 Hz
Voice Coil Diameter: 65 mm (2.56 in)
Winding Material: Al
Former Material: Glass Fiber
Winding Depth: 12.5 mm (0.49 in)
Magnetic Gap Depth: 8 mm (0.31 in)
Flux Density: 1.25 T
Magnet: Neodymium Slug
Basket Material: Aluminum
Demodulation: No
Cone Surround: M-Roll
NET Air Volume filled by Loudspeaker: 1.9 dm^3 (0.067 ft^3)
Spider Profile: 1x variable height waves

Thiele and small parameters
Fs: 50 Hz
Re: 5.4 Ohm
Qes: 0.37
Qms: 9.9
Qts: 0.36
Vas: 79.2 dm^3 (2.8 ft^3)
Sd: 489 cm^2 (75.80 in^2)
Xmax: 4.92 mm
Xdamage: 14 mm
Mms: 43.4 g
Bl: 14.1 N/A
Le: 0.42 mH
Mmd: 36.6 g
Cms: 0.23 mm/N
Rms: 1.37 Kg/s
Eta Zero: 2.60 %
EBP: 135 Hz