Flat Membrane Material Honeycomb
Surround Material Rubber
RMS Power handling 400 W
Peak Power handling 900 W
Nominal diameter 318 mm
Mounting depth 75 mm
Efective cone area Sd 0,0540 m2
Magnet Weight Wm 1,920 kg
Frequency Range 19-300 Hz
Nominal impedance Zn 4 Ohm
DC Resistence Re 3,3 Ohm
Resonant Frequency fs 18,2 Hz
Mechanical Q Factor Qms 2,18
Electrical Q Factor Qes 0,32
Total Q Factor Qts 0,28
Equivalent Air Volume Vas 128 dm3
Compliance Cms 379 (micro)m/N
Moving Mass Mms 200 g
Voice Coil Former Aluminium
Voice Coil Diameter 125 mm
Force Factor Bxl 15,4 Wb/m
Linear Excursion Xmax +-4 mm
Sensitivity 90 db
Ported Enclosure Volume Vb 40 dm3
Port Diameter dv 80 mm
Port Lenght Lv 260 mm