AL CP 1808-8 AL CP Pro Rider Subwoofer for Black Widow Loudspeakers (18")

MFR #: 00560440 The 18” 1808-8 AL CP Pro Rider Subwoofer from Peavey is used with the Black Widow Speakers. Power Capacity 2400 W peak
1200 W program
600 W continuous
Sensitivity 96.3 dB / 1 W 1 m
Usable Frequency Range Approximately 35 Hz to 2 kHz
Cone Material Kevlar impregnated cellulose
Voice Coil Diameter 4.0" (101.6 mm)
Material Voice Coil:
Aluminum ribbon wire
Polyimide-impregnated fiberglass former
Nomex stiffener
Solderless diffusion welded OFHC copper leads
Nominal Impedance 8 OHM
DC Resistance (Re) Of the Driver: 5.6 OHM
Surface Area of Cone (Sd) 195.300 sq. in (0.126 sq. m)
Efficiency Voice Coil & Magnet System: 17.9 T/m
Electrical to Acoustical Conversion Efficiency: 2.45%
Resonance Free Air: 36.0 Hz
Volume 296.5 liters
Force Restorative: 94.6 (µM/N)
Mass Total: 5.0 oz (142.6 g)
Characteristics Resonance Characteristics of Mechanical Factors: 11.14
Resonance Characteristics of Electrical Factors: 0.579
Resonance Characteristics of Electrical & Mechanical Factors: 0.551
Distance Distance the cone can move in one direction: 0.18" (0.46 cm)
Inductance 0.41 mH
SPL 95.9 dB, 1 W/1 m
Air Displacement 69 cu. in (1138 ml)
Volume Displaced 235 cu. in (3852 ml)
Continuous Power 1200 Wpgm
Cabinet Enclosure: SP 218, SP 118
Diameter 18.00" (45.72 mm)
Weight 18.0 lb (8.2 kg)