Specifications

• Nominal diameter 320 mm (12.0 in)
• Nominal impedance 8 ohms
• Minimum impedance 6.4 ohms
• Nominal power handling 350 W
• Continuous power handling 700 W
• Sensitivity (1W/1m) 99.0 dB
• Frequency range 50 - 2000 Hz
• Voice coil diameter 76 mm (3.0 in)
• Winding material Aluminium
• Former material Glass Fibre
• Winding depth 16 mm (0.62 in)
• Magnetic gap depth 11 mm (0.4 in)
• Flux density 1.05 T

Design

• Surround shape Double Roll
• Cone shape Exponential
• Magnet material Ferrite
• Spider Single
• Pole design T-Pole
• Woofer cone treatment WP Waterproof Front Side (upon request)
• Recommended enclosure 42.0 dm3 (1.48 ft3)
• Recommended tuning 65 Hz

Parameters

• Fs 50 Hz
• Re 5.0 Ω
• Qes 0.24
• Qms 5.3
• Qts 0.23
• Vas 75.0 dm3 (2.6 ft3)
• Sd 522.0 cm2 (80.9 in2)
• Reference efficiency 3.8 %
• Xmax 5.0 mm
• Xvar 7.0 mm
• Mms 51 g
• Bl 18.6 Txm
• Le 1.2 mH
• EBP 208 Hz

Mounting and Shipping Info

• Overall diameter 316 mm (12.4 in)
• Bolt circle diameter 296 mm (11.6 in)
• Baffle cutout diameter 282.0 mm (11.1 in)
• Depth 136 mm (5.35 in)
• Flange and gasket thickness 16 mm (0.62 in)
• Air volume occupied by driver 3.3 dm3 (0.12 ft3)
• Net weight 7.4 kg (16.4 lb)
• Shipping weight 8.2 kg (18.0 lb)
• Shipping box 340x340x170 mm (13.4x13.4x6.7 in)