RCF 15" Speaker, 800W, 97dB, 35-1500Hz, X-max 8.5mm, weight 12.2kg The LF15g401 is a 15-inch woofer with linear frequency response characteristics and very high power handling. The LF15G401 features a fiber-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 ohm - 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 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: 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: 4.8 ohm - 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 - Effective 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