Specifications

• Nominal diameter 320 mm (12.0 in)
• Nominal impedance 8 ohms
• Minimum impedance 5.8 ohms
• Nominal power handling 1000 W
• Continuous power handling 2000 W
• Sensitivity (1W/1m) 93.0 dB
• Frequency range 40 - 1000 Hz
• Voice coil diameter 100 mm (4.0 in)
• Winding material Copper
• Former material Glass Fibre
• Winding depth 27 mm (1.05 in)
• Magnetic gap depth 11 mm (0.43 in)
• Flux density 1.15 T

Design

• Surround shape Roll
• Cone shape Radial
• Magnet material Neodymium Inside Slug
• Spider Double Silicone
• Pole design T-Pole
• Woofer cone treatment WP Waterproof Front Side
• Recommended enclosure 40.0 dm3 (1.41 ft3)
• Recommended tuning 40 Hz

Parameters

• Fs 39 Hz
• Re 5.1 ohms
• Qes 0.35
• Qms 6.8
• Qts 0.33
• Vas 41.0 dm3 (1.45 ft3)
• Sd 522.0 cm2 (80.9 in2)
• Reference efficiency 0.7 %
• Xmax 10.5 mm
• Xvar 14.0 mm
• Mms 152 g
• Bl 23.0 Txm
• Le 1.6 mH
• EBP 111 Hz

Mounting and Shipping Info

• Overall diameter 319 mm (12.5 in)
• Bolt circle diameter 299 mm (11.8 in)
• Baffle cutout diameter 281.0 mm (11.1 in)
• Depth 137 mm (5.4 in)
• Flange and gasket thickness 13 mm (0.5 in)
• Air volume occupied by driver 2.7 dm3 (0.09 ft3)
• Net weight 8.2 kg (18.0 lb)
• Shipping units 1
• Shipping weight 8.9 kg (19.6 lb)
• Shipping box 340x340x170 mm (13.4x13.4x6.7 in)