The Peavey PRO 18 Low Frequency Woofer features an impregnated cellulose cone and functions in the 40 Hz to 1.5 kHz frequency range. It has a 3" diameter voice coil made of thermally bonded copper wire, Kapton former, and Nomex stiffener.

MPN: 00497090
UPC: 0014367136302

• Impedance 8 Ω
  
• Power Capacity Peak: 800 W peak
  
• Program: 400 W
  
• Continuous: 200 W
  
• Sensitivity 94 dB (1 W / 39.4" (1.0 m))
  
• Frequency Range 40 Hz to 1.5 kHz
  
• Cone Composition Impregnated cellulose
  
• Voice Coil Diameter: 3.0" (76.2 mm)
  
• Material: 2 layers, thermally bonded copper wire, Kapton former, and Nomex stiffener
  
• DC Resistance Driver: 6.30 Ω
  
• Surface Area of Cone (Sd) 0.126 m2
  
• Efficiency Voice Coil & Magnet System: 25.1 T/M
  
• Resonance Free Air: 28.8 Hz
  
• Volume Volume of air having the same compliance (springiness) as the driver's suspension: 365.1 liters
  
• Force Restorative: 117.9 µM/N
  
• Mass Total: 8.43 oz (239.01 g)
  
• Characteristics Resonance Characteristics of Mechanical Factors: 9.29
  
• Resonance Characteristics of Electrical Factors: 0.391
  
• Resonance Characteristics of Electrical & Mechanical Factors: 0.375
  
• Distance Distance the cone can move in one direction before the coil begins to leave the magnetic gap: 0.14" (3.5 mm)
  
• Inductance 1.96 mH
  
• Sound Pressure (1W 1m) 94.5
  
• Efficiency Electrical to Acoustical Conversion Efficiency: 2.60 %
  
• Air Displacement Displacement of the driver from negative Xmax to positive Xmax: 54 in3 (882 ml)
  
• Volume Displaced 202 in3 (3310 ml) when mounted on its rear flange
  
• Diameter 18.0" (45.72 cm)
  
• Weight 14.6 lb (6.6 kg)