Speaker 15", 700W, 99.5dB, 40-1500Hz, replacement for L15S800 The L15S801 is the RCF classical high-efficiency 15" woofer. A perfect blend of voice coil length, moving mass weight, and suspension control makes this transducer the preferred solution for many speakers and rental companies. Voice coil construction, suspension, and cone materials are upgraded to withstand up to 700 watts RMS power. Features: - 4-inch fiberglass inside/outside copper voice coil - 1400W continuous program power handling - 99.5 dB Sensitivity - 40 Hz – 1.5 kHz Frequency range - Dual spider design with silicon-based dampening control - M-roll surround and exponential cone geometry General Specifications: - Nominal Diameter: 380 / 15 mm/inch - Rated Impedance: 8 ohms - Program Power: 1400 W AES - Power handling capacity: 700 W - AES Sensitivity: 99.5 dB - Frequency Range: 40 Hz ÷ 1500 Hz - Effective Piston Diameter: 330 / 13 mm/inch - Max Excursion Before Damage (peak to peak): 48 / 1.9 mm/inch - Minimum Impedance: 8.0 ohms - Voice Coil Diameter: 100 / 4 mm/inch - Voice Coil Material: Copper - Voice Coil Winding Depth: 16 / 0.6 mm/inch - Number of layers: 2 - Kind of layer: inside / outside - Top Plate Thickness: 10 / 0.4 mm/inch - Cone Material: No pressed pulp - Cone Design: Curved - Surround Material: Polycotton - Surround Design: M-roll Thiele/Small Parameters: - Resonance frequency: 48 Hz - DC resistance: 6.1 ohms - Mechanical factor: 11 - Electrical factor: 0.33 - Total factor: 0.32 - BL Factor: 23.6 T · m - Effective Moving Mass: 100 g - Equivalent Cas air load: 113 liters - Effective piston area: 0.085 m2 - Max. linear excursion (mathematical): 5.5 mm - Voice-coil inductance @ 1kHz: 1.7 mH - Half-space efficiency: 3.65% Mounting information: - Overall Diameter: 393 / 15.5 mm/inch - Bolt Circle Diameter: 371-376 / 14.6-14.8 mm/inch - Bolt Hole Diameter: 6.5 / 0.3 mm/inch - Front Mount Baffle Cut-out: 352 / 13.9 mm/inch - Rear Mount Baffle Cut-out: 360 / 14.2 mm/inch - Depth: 158 / 6.2 mm/inch - Volume occupied by the driver: 3.8 / 0.13 liters/ft3 - Net Weight: 12 / 26.4 kg/lbs Shipping information: - Shipping weight: 12.5 / 27.5 kg/lbs