The Peavey Low Rider® 18" Subwoofer speaker includes a Kevlar®-impregnated cone for increased strength, Kapton™ voice coil former for superior thermal capability, die-cast aluminum frame, and more.
 Features
 - Field-replaceable die-cast aluminum basket
 - Kevlar® reinforced cones for increased strength
 - Lower distortion due to greater damping of excess cone vibrations
 - Polyimide-impregnated fiberglass former for higher sensitivity and frequency response
 - 4" diameter edge-wound copper voice coil provides high power handling
 - Solderless diffusion welded OFHC copper leads ensure reliable operation
 
Specifications
 - Power Handling (RMS): 800 Watts
 - Power Handling (max): 3,200 Watts
 - Impedance: 8 ohms
 - Frequency Response: 25 to 500 Hz
 - Sensitivity: 97.3 dB 1W/1m
 - Voice Coil Diameter: 4"
 
THIELE-SMALL PARAMETERS
 - Resonant Frequency (Fs): 28.9 Hz
 - DC Resistance (Re): 6.21 ohms
 - Voice Coil Inductance (Le): 0.87 mH
 - Mechanical Q (Qms): 8.77
 - Electromagnetic Q (Qes): 0.36
 - Total Q (Qts): 0.34
 - Compliance Equivalent Volume (Vas): 14.26 ft.³
 - Mechanical Compliance of Suspension (Cms): 0.19 mm/N
 - BL Product (BL): 22.73 Tm
 - Diaphragm Mass Inc. Airload (Mms): 163.2g
 - Maximum Linear Excursion (Xmax): 9.6 mm
 - Surface Area of Cone (Sd): 1237 cm²