Specifications
Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.5 Ω
Nominal power handling1 200 W
Continuous power
handling2 400 W
Sensitivity (1W/1m)3 100.0 dB
Frequency range 50 - 4000 Hz
Voice coil diameter 64 mm (2.5 in)
Winding material Aluminium
Former material Glass Fibre
Winding depth 13 mm (0.5 in)
Magnetic gap depth 8 mm (0.31 in)
Flux density 1.25 T
Design
Surround shape Triple Roll
Cone shape Exponential
Magnet material Neodymium Inside
Slug
Design
Spider Single
Pole design Straight Pole
Recommended enclosure 60.0 dm3 (2.12 ft3)
Recommended tuning 60 Hz
Parameters4
Fs 52 Hz
Re 6 Ω
Qes 0.35
Qms 3.3
Qts 0.32
Vas 85.0 dm3 (3.0 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 3.3 %
Xmax 4.0 mm
Xvar 4.5 mm
Mms 42 g
Bl 14.9 Txm
Le 1.1 mH
Parameters
EBP 148 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 2.1 kg (4.6 lb)
Shipping weight 2.8 kg (6.2 lb)
Shipping box 380x380x170 mm
(15x15x6.7 in)
Service Kit
Replacement
diaphragm RCK012HPL648
