Specifications
Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.8 Ω
Nominal power handling1 500 W
Continuous power handling2 1000 W
Sensitivity (1W/1m)3 100.0 dB
Frequency range 55 - 3000 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 1.35 T
Design
Surround shape Triple Roll
Cone shape Exponential
Magnet material Ceramic
Design
Spider Single
Pole design T-Pole
Woofer cone treatment WP Waterproof Front
Side
Recommended
enclosure 40.0 dm3 (1.41 ft3)
Recommended tuning 65 Hz
Parameters4
Fs 54 Hz
Re 5 Ω
Qes 0.18
Qms 3.8
Qts 0.18
Vas 45.0 dm3 (1.6 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 3.7 %
Xmax 7.0 mm
Xvar 10.0 mm
Mms 75 g
Bl 26.4 Txm
Parameters
Le 1.4 mH
EBP 300 Hz
Mounting And Shipping Info
Overall diameter 315 mm (12.4 in)
Bolt circle diameter 298 mm (11.7 in)
Baffle cutout
diameter 283.0 mm (11.1 in)
Depth 145 mm (5.7 in)
Flange and gasket
thickness 14 mm (0.55 in)
Air volume occupied
by driver 3.0 dm3 (0.1 ft3)
Net weight 8.5 kg (18.7 lb)
Shipping units 1
Shipping weight 9.2 kg (20.3 lb)
Shipping box 340x340x170 mm
(13.4x13.4x6.7 in)
Service Kit
Replacement
diaphragm RCK12FW768
