Specifications

• Nominal diameter 460 mm (18.0 in)
• Nominal impedance 4 %u03A9
• Minimum impedance 3.1 %u03A9
• Nominal power handling * 1200 W
• Continuous power handling * 2400 W
• Sensitivity (1W/1m) * 94.0 dB
• Frequency range 35 - 1000 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)
• Flux density 1.1 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 200.0 dm3 (7.06 ft3)
• Recommended tuning 34 Hz

Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.

• Fs 34 Hz
• Re 3.1 %u03A9
• Qes 0.37
• Qms 7.2
• Qts 0.35
• Vas 212.0 dm3 (7.5 ft3)
• Sd 1210.0 cm2 (187.6 in2)
• !nu!0 2.2 %
• Xmax 9.0 mm
• Xvar 11.0 mm
• Mms 209 g
• Bl 25.5 Txm
• Le 1.6 mH
• EBP 91 Hz

Mounting and Shipping Info

• Overall diameter 460 mm (18.0 in)
• Bolt circle diameter 440 mm (17.3 in)
• Baffle cutout diameter 422.0 mm (16.6 in)
• Depth 209 mm (8.2 in)
• Flange and gasket thickness 16 mm (0.62 in)
• Air volume occupied by driver 10.5 dm3 (0.37 ft3)
• Net weight 13.0 kg (28.6 lb)
• Shipping units 1
• Shipping weight 14.4 kg (31.7 lb)
• Shipping box 500x500x250 mm (19.7x19.7x9.8 in)