Specifications
Nominal diameter 250 mm (10.0 in)
Nominal impedance 8 Ω
Minimum impedance 6.2 Ω
Nominal power handling1 200 W
Continuous power
handling2 400 W
Sensitivity (1W/1m)3 99.0 dB
Frequency range 60 - 4000 Hz
Voice coil diameter 64 mm (2.5 in)
Winding material Aluminium
Former material Glass Fibre
Winding depth 12 mm (0.47 in)
Magnetic gap depth 8 mm (0.31 in)
Flux density 1.25 T
Design
Surround shape Double Roll
Cone shape Exponential
Magnet material Neodymium Inside
Slug
Design
Spider Single
Pole design Straight Pole
Woofer cone treatment None
Recommended enclosure 26.0 dm3 (0.92 ft3)
Recommended tuning 67 Hz
Parameters4
Fs 61 Hz
Re 5 Ω
Qes 0.33
Qms 4.5
Qts 0.31
Vas 32.0 dm3 (1.1 ft3)
Sd 320.0 cm2 (50.0 in2)
η₀ 2.5 %
Xmax 4.0 mm
Xvar 5.5 mm
Mms 29 g
Bl 15.0 Txm
Parameters
Le 0.5 mH
EBP 184 Hz
Mounting And Shipping Info
Overall diameter 261 mm (10.3 in)
Bolt circle diameter 245 mm (9.6 in)
Baffle cutout
diameter 230.0 mm (8.8 in)
Depth 122 mm (4.8 in)
Flange and gasket
thickness 13 mm (0.5 in)
Air volume occupied
by driver 1.5 dm3 (0.05 ft3)
Net weight 2.0 kg (4.4 lb)
Shipping weight 2.6 kg (5.7 lb)
Shipping box 270x270x150 mm
(11.2x11.2x5.9 in)
Service Kit
Replacement
diaphragm RCK010HPL648