Specifications
Nominal diameter 210 mm (8.0 in)
Nominal impedance 8 Ω
Minimum impedance lf 6.0 Ω
Minimum impedance hf 7.4 Ω
Frequency range 70 - 18000 Hz
Dispersion angle1 100 °
Magnet material Neodymium Ring
Specifications LF Unit
LF Sensitivity2 97.0 dB
LF Nominal Power Handling3 250 W
LF Continuos Power Handling4 500 W
LF Voice Coil Diameter 51 mm (2.0 in)
LF Winding Material Aluminium
Specifications HF Unit
HF Sensitivity5 104.0 dB
HF Nominal Power Handling6 50 W
HF Continuos Power Handling7 100 W
Specifications HF Unit
HF Voice Coil Diameter 44 mm (1.7 in)
HF Winding Material Aluminium
Diaphragm material Polyimide
Recommended crossover8 1.8 kHz
Parameters
Fs 68 Hz
Re 5 Ω
Qes 0.29
Qms 4.7
Qts 0.27
Vas 17.0 dm3 (0.6 ft3)
Sd 220.0 cm2 (34.1 in2)
η₀ 1.8 %
Xmax 6.0 mm
Xvar 6.0 mm
Mms 22 g
Bl 12.6 Txm
Le 0.9 mH
Parameters
EBP 234 Hz
Mounting And Shipping Info
Overall diameter 225 mm (8.8 in)
Bolt circle diameter 210 mm (8.3 in)
Baffle cutout
diameter 187 mm (7.4 in)
Depth 111 mm (4.4 in)
Flange and gasket
thickness 10 mm (0.4 in)
Net weight 2.5 kg (5.5 lb)
Shipping units 1
Shipping weight 3.2 kg (7.0 lb)
Shipping box 260x260x170 mm
(10.2x10.2x6.7 in)
Service Kit
Service kit lf RCK008CXN518
Replacement
diaphragm MMD4008
