Specifications
Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.7 Ω
Nominal power handling1 350 W
Continuous power
handling2 700 W
Sensitivity (1W/1m)3 99.0 dB
Frequency range 50 - 3500 Hz
Voice coil diameter 76 mm (3.0 in)
Winding material Aluminium
Former material Glass Fibre
Winding depth 18 mm (0.68 in)
Magnetic gap depth 10 mm (0.4 in)
Flux density 1.15 T
Design
Surround shape Double Roll
Cone shape Exponential
Magnet material Neodymium Inside
Slug
Design
Spider Single
Pole design Straight Pole
Recommended enclosure 40.0 dm3 (1.41 ft3)
Recommended tuning 70 Hz
Parameters4
Fs 49 Hz
Re 6 Ω
Qes 0.26
Qms 2.5
Qts 0.25
Vas 91.0 dm3 (3.2 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 4.1 %
Xmax 4.0 mm
Xvar 5.5 mm
Mms 43 g
Bl 17.3 Txm
Le 1.5 mH
Parameters
EBP 188 Hz
Mounting And Shipping Info
Overall diameter 315 mm (12.4 in)
Bolt circle diameter 296 mm (11.6 in)
Baffle cutout
diameter 282.0 mm (11.1 in)
Depth 144 mm (5.7 in)
Flange and gasket
thickness 13 mm (0.5 in)
Air volume occupied
by driver 0.0 dm3 (0.0 ft3)
Net weight 3.2 kg (7.0 lb)
Shipping weight 3.9 kg (8.6 lb)
Shipping box 380x380x170 mm
(15x15x6.7 in)
Service Kit
Replacement
diaphragm RCK012HPL768