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The LF15N451 is a very high power handling woofer , specially designed to provide powerful and accurate bass frequencies with low distortion and low power compression. Ultra fast time response. The LF15N451 uses a fibre loaded cone assembly along a large triple roll surround, this combination provides remarkable strength and control. Double silicon spider system ensures excellent control during large excursions. A fully optimised T-pole design generate the minimum amount of flux modulation to get lower distortion. The transducer design is based on a very strong neodymium magnetic structure and a new 4,5” inside- outside copper coil, this combination guarantees higher handling especially in comparison to standard 4" voice coil designs. The unique Dual-forced air venting system provides a very efficient voice coil ventilation to minimize the power compression.
Features 4.5-inch fiberglass inside/outside copper voice coil 2600 Watt continuous program power handling 97 dB Sensitivity 35 Hz – 1.5 kHz Frequency range Dual-forced air ventilation for minimum power compression Dual spider designed with silicon based damping control BL of 33.5 T/m to provide a faster and accurate low frequency
General Specifications Nominal Diameter: 380 / 15 mm/inch Rated Impedance: 8 Ohm Program Power: 2600 W AES Power handling capacity: 1300 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): 64 / 2.51 mm/inch Minimum Impedance: 7.4 Ohm Voice Coil Diameter: 115 / 4.5 mm/inch Voice Coil Material: Copper Voice Coil Winding Depth: 25 / 1.0 mm/inch Number of layers: 2 Kind of layer: inside / outside Top Plate Thickness: 15 / 0.6 mm/inch Cone Material: No pressed pulp Cone Design: Straight Surround Material: Polycotton Surround Design: Triple roll
Thiele/Small Parameters Resonance frequency: 35 Hz DC resistance: 5.1 Ohm Mechanical factor: 4.2 Electrical factor: 0.19 Total factor: 0.18 BL Factor: 33.5 T · m Effective Moving Mass: 171 g Equivalent Cas air load: 125 liters Effettive piston area: 0.091 m² Max. linear excursion (mathematical): 8.7 mm Voice - coil inductance @ 1kHz: 2.6 mH Half-space efficiency: 2.64%
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 / 0.25 mm/inch Front Mount Baffle Cut-out: 354 / 13.9 mm/inch Rear Mount Baffle Cut-out: 354 / 13.9 mm/inch Depth: 157 / 6.2 mm/inch Volume occupied by the driver: 3.8 / 0.13 liters/ft³ Net Weight: 9.9 / 21.7 kg/lbs
Herzliche Glückwünsche an den Gewinner vom Dezember: Jose Luis Quesafa Garcia, Valencia (ES)
Der Gewinner aus dem Vormonat (November): Filipe Silva Costa, Vila Nova De Milfontes (PT)