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Impedance: 8 ohms
Power capacity: 2000 watts peak, 1000 watts program, 500 watts continuous
Sensitivity: 97.5 dB at 1W/1m
Usable freq. range: 35 Hz - 1 kHz
Cone: Kevlarr impregnated cellulose
Voice coil diameter: 4.0 inch / 100 mm
Voice coil material: Aluminum ribbon wire, Polyimide-impregnated fiberglass former, Nomexr stiffener, Solderless diffusion welded OFHC copper leads
Weight 21 lbs. (Packed) 1808-8 SPS BWX Low Frequency Driver Item # 00459080