Specifications

• Nominal diameter 460 mm (18.0 in)
• Nominal impedance 8 Ω
• Minimum impedance 6.5 Ω
• Nominal power handling * 700 W
• Continuous power handling * 1400 W
• Sensitivity (1W/1m) * 97.0 dB
• Frequency range 40 - 2000 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 8 mm (0.31 in)
• Flux density 1.15 T

Design

• Surround shape Double Roll
• Cone shape Exponential
• Magnet material Ferrite
• Spider Double Silicone
• Pole design Straight Pole
• Woofer cone treatment TWP Waterproof Both Sides
• Recommended enclosure 160.0 dm3 (5.65 ft3)
• Recommended tuning 39 Hz

Parameters

• Fs 30 Hz
• Re 5.3 Ω
• Qes 0.25
• Qms 8.8
• Qts 0.24
• Vas 297.0 dm3 (10.5 ft3)
• Sd 1134.0 cm2 (175.8 in2)
• η₀ 3.1 %
• Xmax 8.0 mm
• Xvar 8.0 mm
• Mms 170 g
• Bl 26.0 Txm
• Le 2.1 mH
• EBP 120 Hz

Mounting and Shipping Info

• Overall diameter 480 mm (18.0 in)
• Bolt circle diameter 440 mm (17.3 in)
• Baffle cutout diameter 422.0 mm (16.6 in)
• Depth 202 mm (7.95 in)
• Flange and gasket thickness 16 mm (0.62 in)
• Air volume occupied by driver 9.5 dm3 (0.33 ft3)
• Net weight 12.1 kg (26.6 lb)
• Shipping units 1
• Shipping weight 14.0 kg (30.8 lb)
• Shipping box 520x520x240 mm (20.5x20.5x9.4 in)