Nominal diameter
530 mm (21.0 in)
Nominal impedance
4 Ω
Minimum impedance
4.2 Ω
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)
Flux density
1.2 T
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