Dimensions (HxWxD) : 1700 mm x 570 mm x 800 mm; 67 x 22.4 x 31.5in
Weight : 140 kg/308 lbs each
Sensitivity : 92 dB @ 2.83V 1m
Recommended power amplifier : 100-1000 W rms
Impedance : nominal 4,0 ohms;
Crossover frequency : 50, 200, 6000 Hz
Frequency response (in-room environment) : 18-30000 Hz
Drivers : 2,5 cm beryllium dome tweeter, 19 cm Egyptian Papyrus mid, two 22 cm paper bass drivers, 32 cm paper woofer