Specifications
Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.5 Ω
Nominal power handling1 400 W
Continuous power handling2 800 W
Sensitivity (1W/1m)3 101.0 dB
Frequency range 50 - 3000 Hz
Voice coil diameter 76 mm (3.0 in)
Winding material Copper
Former material Glass Fibre
Winding depth 14 mm (0.55 in)
Magnetic gap depth 8 mm (0.31 in)
Flux density 1.4 T
Design
Surround shape Double Roll
Cone shape Radial
Magnet material Ceramic
Design
Spider Single
Pole design T-Pole
Woofer cone
treatment
WP Waterproof Front
Side
Parameters4
Fs 53 Hz
Re 5 Ω
Qes 0.2
Qms 7.2
Qts 0.19
Vas 63.0 dm3 (2.2 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 4.8 %
Xmax 5.0 mm
Xvar 7.0 mm
Mms 54 g
Bl 22.3 Txm
Le 0.83 mH
EBP 265 Hz
Mounting And Shipping Info
Overall diameter 316 mm (12.4 in)
Bolt circle diameter 296 mm (11.6 in)
Baffle cutout
diameter 282.0 mm (11.1 in)
Depth 134 mm (5.3 in)
Flange and gasket
thickness 16 mm (0.6 in)
Air volume occupied
by driver 3.3 dm3 (0.12 ft3)
Net weight 7.6 kg (16.7 lb)
Shipping units 1
Shipping weight 8.4 kg (18.5 lb)
Shipping box 365x365x210 mm
(14.4x14.4x8.3 in)
Service Kit
Replacement
diaphragm RCK012MH328
