Specifications:
- Nominal diameter 530 mm (21.0 in)
- Nominal impedance 8 ohms
- Nominal power handling 2000 W
- Continuous power handling 4000 W
- Sensitivity (1W/1m) 96.0 dB
- Frequency range 30 - 1000 Hz
- Voice coil diameter 153 mm (6.0 in)
- Winding material Copper
- Former material Glass Fibre
- Winding depth 30 mm (1.18 in)
- Magnetic gap depth 12 mm (0.5 in)
Design:
- Surround shape Triple Roll
- Cone shape Radial
- Magnet material Neodymium Inside Slug
- Spider Double Silicone
- Pole design T-Pole
- Woofer cone treatment TWP Waterproof Both Sides
- Recommended enclosure 190.0 dm3 (6.71 ft3)
- Recommended tuning 33 Hz
Parameters:
Fs 32 Hz
Re: 3.3 ohms
Qes: 0.31
Qms: 7.0
Qts: 0.3
Reference Efficiency: 2.2%
BL: 32.5
Le: 1.5mH
Vas: 200 litres
200.0 dm3 (7.0 ft3)
Sd 1680.0 cm2 (260.4 in2)
Xmax 15.0 mm
Xvar 16.0 mm
Mms 460 g
Mounting And Shipping Info:
- Overall diameter 547 mm (21.5 in)
- Bolt circle diameter 527 mm (20.7 in)
- Baffle cutout diameter 508.0 mm (20.0 in)
- Depth 261 mm (10.3 in)
- Flange and gasket thickness 16 mm (0.63 in)
- Air volume occupied by driver 16.0 dm3 (0.56 ft3)
- Net weight 18.5 kg (40.7 lb)
- Shipping weight 20.9 kg (46.0 lb)
- Shipping box 590x590x300 mm (23.2x23.2x11.8 in)