Speaker 15", 800W, 97dB, 30-1500Hz Experience exceptional linearity in frequency response with extreme power handling capabilities and minimal harmonic distortion with this 15-inch transducer. The L15P400 boasts a fiber-loaded cone assembly and a high excursion triple roll surround, providing robustness and a peak-to-peak maximum excursion of 52mm. The T-pole incorporates RCF Precision's spaced gap demodulation technology for smoother voice coil movement at maximum excursion limits, along with a forced air venting system. Features: - 4-inch fiberglass inside/outside copper voice coil - 1600W continuous program power handling - 97 dB Sensitivity - 30 Hz – 1.5 kHz Frequency range - Aluminum demodulation ring - Forced air ventilation and 14mm top plate for minimal power compression - Dual spider design with silicon-based dampening control - Triple-roll surround and corrugated straight cone geometry General Specifications: - Nominal Diameter: 380 / 15 mm/inch - Rated Impedance: 8 ohm - Program Power: 1600 W AES - Power handling capacity: 800 W AES - Sensitivity: 97 dB - Frequency Range: 30 Hz ÷ 1500 Hz - Effective Piston Diameter: 340 / 13.4 mm/inch - Max Excursion Before Damage (peak to peak): 50 / 2 mm/inch - Minimum Impedance: 6.3 ohm - Voice Coil Diameter: 100 / 4 mm/inch - Voice Coil Material: Copper - Voice Coil Winding Depth: 23 / 0.9 mm/inch - Number of layers: 2 - Kind of layer: inside / outside - Top Plate Thickness: 14 / 0.55 mm/inch - Cone Material: No pressed pulp - Cone Design: Straight - Surround Material: Polycotton - Surround Design: Triple roll Thiele/Small Parameters: - Resonance frequency: 36 Hz - DC resistance: 4.8 ohm - Mechanical factor: 7.5 - Electrical factor: 0.27 - Total factor: 0.25 - BL Factor: 24.8 T · m - Effective Moving Mass: 150 g - Equivalent Cas air load: 160 liters - Effective piston area: 0.091 m2 - Max. linear excursion (mathematical): 8.0 mm - Voice-coil inductance @ 1kHz: 2.2 mH - Half-space efficiency: 2.6% 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: 4.3 / 0.15 liters/ft3 - Net Weight: 12.6 / 27.7 kg/lbs Shipping information: - Shipping weight: 13.6 / 29.9 kg/lbs