Specifications
Nominal diameter 460 mm (0.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.0 Ω
Nominal power handling1 1200 W
Continuous power handling2 2400 W
Sensitivity (1W/1m)3 96.5 dB
Frequency range 35 - 1500 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 11 mm (0.43 in)
Flux density 1.1 T
Design
Surround shape Triple Roll
Cone shape Radial
Magnet material Neodymium Ring
Spider Double Silicone
Pole design T-Pole
Woofer cone
treatment
TWP Waterproof Both
Sides
Recommended
enclosure 200.0 dm3 (7.1 ft3)
Recommended tuning 35 Hz
Parameters
Fs 35 Hz
Re 5 Ω
Qes 0.4
Qms 5.6
Qts 0.38
Vas 198.0 dm3 (7.0 ft3)
Sd 1210.0 cm2 (187.6 in2)
η₀ 2.0 %
Xmax 10.0 mm
Xvar 12.0 mm
Mms 217 g
Bl 24.8 Txm
Le 1.85 mH
EBP 87 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 212 mm (8.3 in)
Flange and gasket
thickness 16 mm (0.63 in)
Air volume occupied
by driver 8.5 dm3 (0.3 ft3)
Net weight 9.3 kg (20.5 lb)
Shipping units 1
Shipping weight 10.8 kg (23.8 lb)
Shipping box 500x500x250 mm
(19.7x19.7x9.8 in)
Service Kit
Replacement
diaphragm RCK18NBX1008
