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HAUT PARLEUR RCF 38 CM 800 W RMS The LF15g401 is a 15-inch woofer with linear frequency response cheracteristics and very high power handling. The LF15G401 uses a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround. This combination provides remarkable strength and a peak to peak maximum excursion of 52mm. Features 4-inch, fiberglass inside/outside copper voice coil 1600W continuous program power handling 97 dB Sensitivity 30 Hz – 1.5 kHz Frequency range 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 Ω Program Power: 1600 W AES Power handling capacity: 800 W AES Sensitivity: 97 dB Frequency Range: 35 Hz ÷ 1500 Hz Effective Piston Diameter: 340 / 13.4 mm/inch Max Excursion Before Damage (peak to peak): 52 / 2.1 mm/inch Minimum Impedance: 6.1 Ω 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: 12 / 0.5 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: 4.8Ω Mechanical factor: 6.2 Electrical factor: 0.27 Total factor: 0.26 BL Factor: 24.6 T · m Effective Moving Mass: 150 g Equivalent Cas air load: 150 liters Effettive piston area: 0.091 m² Max. linear excursion (mathematical): 8.5 mm Voice - coil inductance @ 1kHz: 2.5 mH Half-space efficiency: 2.50% 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: 12.2 / 26.8 kg/lbs Shipping information Shipping weight: 12.8 / 28.4 kg/lbs