Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.5 Ω
Nominal power handling1 350 W
Continuous power
handling2 700 W
Sensitivity (1W/1m)3 98.5 dB
Frequency range 45 - 3000 Hz
Voice coil diameter 76 mm (3.0 in)
Winding material Copper
Former material Glass Fibre
Winding depth 17 mm (0.67 in)
Magnetic gap depth 11 mm (0.43 in)
Flux density 1.05 T
Design
Surround shape Triple Roll
Cone shape Exponential
Magnet material Neodymium Inside
Slug
Design
Spider Single
Pole design Straight Pole
Woofer cone treatment WP Waterproof Front
Side
Recommended
enclosure 40.0 dm3 (1.41 ft3)
Recommended tuning 60 Hz
Parameters4
Fs 48 Hz
Re 5 Ω
Qes 0.22
Qms 4.8
Qts 0.21
Vas 59.0 dm3 (2.1 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 2.9 %
Xmax 6.0 mm
Xvar 8.5 mm
Mms 70 g
Bl 22.4 Txm
Parameters
Le 1.5 mH
EBP 218 Hz
Mounting And Shipping Info
Overall diameter 313 mm (12.32 in)
Bolt circle diameter 299 mm (11.77 in)
Baffle cutout
diameter 282.0 mm (11.1 in)
Depth 142 mm (5.59 in)
Flange and gasket
thickness 9 mm (0.35 in)
Air volume occupied
by driver 2.3 dm3 (0.08 ft3)
Net weight 3.0 kg (6.6 lb)
Shipping weight 3.5 kg (7.7 lb)
Shipping box 340x340x170 mm
(13.4x13.4x6.7 in)
Service Kit
Replacement
diaphragm RCK12CL768
