Specifications
Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 Ω
Minimum impedance lf 6.5 Ω
Minimum impedance hf 8.0 Ω
Frequency range 45 - 18000 Hz
Dispersion angle1 80 °
Magnet material Neodymium Ring
Specifications LF Unit
LF Sensitivity2 99.0 dB
LF Nominal Power Handling3 350 W
LF Continuos Power Handling4 700 W
LF Voice Coil Diameter 76 mm (3.0 in)
LF Winding Material Copper
Specifications HF Unit
HF Sensitivity5 105.0 dB
HF Nominal Power Handling6 80 W
HF Continuos Power
Handling7 160 W
Specifications HF Unit
HF Voice Coil Diameter 75 mm (3.0 in)
HF Winding Material Aluminium
Diaphragm material Polyester/Titanium
Recommended crossover8 1.2 kHz
Parameters
Fs 42 Hz
Re 5 Ω
Qes 0.2
Qms 8.0
Qts 0.19
Vas 120.0 dm3 (4.2 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 4.1 %
Xmax 4.0 mm
Xvar 6.0 mm
Mms 47 g
Bl 17.6 Txm
Le 0.8 mH
Parameters
EBP 210 Hz
Mounting And Shipping Info
Overall diameter 315 mm (12.4 in)
Bolt circle diameter 298 mm (11.7 in)
Baffle cutout
diameter 282 mm (11.1 in)
Depth 170 mm (6.7 in)
Flange and gasket
thickness 14 mm (0.55 in)
Net weight 5.0 kg (11.0 lb)
Shipping units 1
Shipping weight 5.9 kg (13.0 lb)
Shipping box 380x380x240 mm
(15x15x9.4 in)
Service Kit
Service kit lf RCK12CXN768
Replacement
diaphragm MMD9028M
