18-in Low Frequency Driver, 2000 watts peak capacity

18088SPSBWX 005605801808-8 SPS BWXT Impedance: 8 Ohms Power capacity: 2000 W Peak 1000 W Program 500 W Continuous Sensitivity: 97.5 dB / 1 W 1 m Usable freq. range: 35 Hz - 1 kHz Cone: Kevlarr impregnated cellulose Voice coil diameter: 4.0-in / 100 mm Voice coil material: Aluminum ribbon wire Polyimide-impregnated fiberglass former Nomexr stiffener Solderless diffusion welded OFHC copper leads Net weight lb. / kg: 18 lbs. / 8.2 kg Znom ohms 8 Revc ohms 6.71 Sd Square Meters 0.124 BL T/M 16.26 Fo Hz 37.4 Vas liters 368.0 Cms uM/N 169.4 Mms gm 106.70 Qms 7.55 Qes 0.637 Qts 0.587 Xmax mm 4.6 Le mH 0.38 SPL 1W 1m 96.7 No % 2.94% Vd cu. in. / ml 69.4 / 1138 Pmax Watts pgm. 1000 Disp cu. in. / ml 228 / 3737 18-in Weight Unpacked: 17.50 lb7.938 kg Weight Packed: 21.37 lb9.695 kg Width Packed: 21-in 53.34 cm Height Packed: 22''55.88 cm Depth Packed: 7''17.78 cm