Specifications
Nominal diameter 460 mm (18.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.5 Ω
Nominal power handling1 1500 W
Continuous power handling2 3000 W
Sensitivity (1W/1m)3 96.0 dB
Frequency range 35 - 1000 Hz
Voice coil diameter 100 mm (4.0 in)
Winding material Copper
Former material Glass Fibre
Winding depth 31 mm (1.22 in)
Magnetic gap depth 15 mm (0.59 in)
Flux density 1.15 T
Design
Surround shape Triple Roll
Cone shape Radial
Magnet material Ceramic
Design
Spider Double Silicone
Pole design T-Pole
Woofer cone
treatment
TWP Waterproof Both
Sides
Recommended
enclosure 200.0 dm3 (7.06 ft3)
Recommended tuning 32 Hz
Parameters4
Fs 35 Hz
Re 5 Ω
Qes 0.41
Qms 8.0
Qts 0.39
Vas 175.0 dm3 (6.18 ft3)
Sd 1210.0 cm2 (187.6 in2)
η₀ 1.76 %
Xmax 12.0 mm
Xvar 14.0 mm
Mms 245 g
Bl 26.4 Txm
Parameters
Le 2.45 mH
EBP 85 Hz
Mounting And Shipping Info
Overall diameter 460 mm (18.0 in)
Bolt circle diameter 442 mm (17.4 in)
Baffle cutout
diameter 422.0 mm (16.6 in)
Depth 241 mm (9.5 in)
Flange and gasket
thickness 16 mm (0.61 in)
Air volume occupied
by driver 11.0 dm3 (0.39 ft3)
Net weight 15.1 kg (33.3 lb)
Shipping units 1
Shipping weight 16.6 kg (36.6 lb)
Shipping box 500x500x250 mm
(19.7x19.7x9.8 in)
Service Kit
Replacement
diaphragm RCK18TBW1008
