Specifications
Nominal diameter 380 mm (15.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.4 Ω
Nominal power handling1 500 W
Continuous power handling2 1000 W
Sensitivity (1W/1m)3 100.0 dB
Frequency range 40 - 2000 Hz
Voice coil diameter 76 mm (3.0 in)
Winding material Copper
Former material Glass Fibre
Winding depth 19 mm (0.75 in)
Magnetic gap depth 11 mm (0.43 in)
Flux density 1.25 T
Design
Surround shape Triple Roll
Cone shape Exponential
Magnet material Ceramic
Design
Spider Double Silicone
Pole design T-Pole
Woofer cone treatment WP Waterproof Front
Side
Recommended
enclosure 80.0 dm3 (2.82 ft3)
Recommended tuning 50 Hz
Parameters4
Fs 40 Hz
Re 5 Ω
Qes 0.22
Qms 5.1
Qts 0.21
Vas 138.0 dm3 (4.9 ft3)
Sd 855.0 cm2 (132.5 in2)
η₀ 3.9 %
Xmax 7.0 mm
Xvar 8.0 mm
Mms 117 g
Bl 26.2 Txm
Parameters
Le 1.4 mH
EBP 181 Hz
Mounting And Shipping Info
Overall diameter 393 mm (15.5 in)
Bolt circle diameter 374 mm (14.7 in)
Baffle cutout
diameter 354.0 mm (13.9 in)
Depth 175 mm (6.9 in)
Flange and gasket
thickness 15 mm (0.6 in)
Air volume occupied
by driver 5.5 dm3 (0.19 ft3)
Net weight 9.2 kg (20.2 lb)
Shipping units 1
Shipping weight 10.5 kg (23.1 lb)
Shipping box 420x420x200 mm
(16.5x16.5x7.9 in)
Service Kit
Replacement
diaphragm RCK15FW768
