Specifications

• Nominal diameter 320 mm (12.0 in)
• Nominal impedance 8 ohms
• Minimum impedance 6.7 ohms
• Nominal power handling 700 W
• Continuous power handling 1400 W
• Sensitivity (1W/1m) 93.0 dB
• Frequency range 45 - 1000 Hz
• Voice coil diameter 100 mm (4.0 in)
• Winding material Copper
• Former material Glass Fibre
• Winding depth 21 mm (0.83 in)
• Magnetic gap depth 11 mm (0.4 in)
• Flux density 1.05 T

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 48 Hz

Parameters

• Fs 44 Hz
• Re 5.3 ohms
• Qes 0.29
• Qms 3.9
• Qts 0.27
• Vas 47.0 dm3 (1.6 ft3)
• Sd 531.0 cm2 (82.3 in2)
• Reference efficiency 1.3 %
• Xmax 8.0 mm
• Xvar 8.0 mm
• Mms 106 g
• Bl 22.5 Txm
• Le 2.0 mH
• EBP 151 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 118 mm (4.6 in)
• Flange and gasket thickness 13 mm (0.5 in)
• Air volume occupied by driver 3.5 dm3 (0.12 ft3)
• Net weight 8.8 kg (19.4 lb)
• Shipping weight 9.4 kg (20.7 lb)
• Shipping box 340x340x170 mm (13.4x13.4x6.7 in)