Specifications

• Nominal diameter 320 mm (12.0 in)
• Nominal impedance 4 ohms
• Nominal power handling 1000 W
• Continuous power handling 2000 W
• Sensitivity (1W/1m) 95.0 dB
• Frequency range 45 - 1500 Hz
• Voice coil diameter 100 mm (4.0 in)
• Winding material Copper
• Former material Glass Fibre
• Winding depth 25 mm (1.0 in)
• Magnetic gap depth 12 mm (0.5 in)

Design

• Surround shape Triple Roll
• Cone shape Radial
• Magnet material Ferrite
• Spider Double Silicone
• Pole design T-Pole
• Woofer cone treatment TWP Waterproof Both Sides
• Recommended enclosure 40.0 dm3 (1.41 ft3)
• Recommended tuning 43 Hz

Parameters

• Fs 42 Hz
• Vas 37.5 dm3 (1.3 ft3)
• Sd 531.0 cm2 (82.0 in2)
• Reference efficiency 1.15 %
• Xmax 9.0 mm
• Xvar 11.0 mm
• Mms 119 g

Mounting and Shipping Information

• 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 135 mm (5.3 in)
• Flange and gasket thickness 13 mm (0.5 in)
• Air volume occupied by driver 4.2 dm3 (0.15 ft3)
• Net weight 11.8 kg (26.0 lb)
• Shipping weight 12.4 kg (27.3 lb)
• Shipping box 340x340x170 mm (13.4x13.4x6.7 in)