C12-500MB

General Specifications
Nominal diameter - 305 mm/12 in
Power rating - 500 W(AES)
Nominal impedance - 8
Sensitivity - 95 dB
Frequency range - 60-3000 Hz
Chassis type - Cast aluminum
Magnet type - Ferrite
Magnet weight - 2.9 kg/100.6 oz
Voice coil diameter - 99.3 mm/3.9 in
Coil material - CCA-R
Former material - Glass fiber
Cone material - Paper
Surround material - Cloth
Suspension - Single
X-max - 4.5 mm/0.18 in
Gap depth - 8.0 mm/0.30 in
Voice coil winding width - 16.9 mm/0.67 in
Net Weight - 9.7 kg/21.4 lb
Packing Dimension WxDxH - 355 x 355 x 180 mm
Shipping Weight - 10.5 kg/23.1 lb
Small Signal Prameters
Re - 5.8 Ω
Fs - 62 Hz
Mms - 75.80 g/2.67 oz
Mmd - 68.35 g/2.41 oz
Qms - 6.66
Qes - 0.42
Qts - 0.4
Vas - 37.95 lt/1.34 ft³
BI - 20.03 Tm
Cms - 8.9e-05 m/N
Rms - 4.37 Ns/m
Le (at 1kHz) - 0.31 mH
Sd - 552 cm2