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The MB15N301 is a neodymium, high efficiency, 15" mid-bass. High sensitivity, excellent linearity and very high power handling capabilities. The magnetic structure is powered by a large neodymium magnet that provides an extremely high flux density in the gap. The new hyper-vented aluminium basket and magnetic assembly design provide an excellent heat dissipation and lower power compression. Special air-forced ventilations are provided for voice coil, magnet assembly and basket. M-roll surround and spider design offer great linearity and precise reproduction.
Features 3.0-inch, fibreglass inside/outside copper voice coil 1000 Watt continuous program power handling 99 dB Sensitivity 40Hz -3.5KHz Frequency range Dual-forced air ventilation for minimum power compression Triple-roll surround and exponential cone geometry
General Specifications Nominal Diameter: 380 / 15 mm/inch Rated Impedance: 8 Ohm Program Power: 1000 W AES Power handling capacity: 500 W AES Sensitivity: 99 dB Frequency Range: 40 Hz ÷ 3500 Hz Effective Piston Diameter: 330 / 13.0 mm/inch Max Excursion Before Damage (peak to peak): 40 / 1.57 mm/inch Minimum Impedance: 6.8 Ohm Voice Coil Diameter: 76 / 3.0 mm/inch Voice Coil Material: Aluminium Voice Coil Winding Depth: 17 / 0.76 mm/inch Number of layers: 2 Kind of layer: inside / outside Top Plate Thickness: 10 / 0.39 mm/inch Cone Material: No pressed pulp Cone Design: Curved Surround Material: Polycotton Surround Design: Triple roll
Thiele/Small Parameters Resonance frequency: 48 Hz DC resistance: 5.8 Ohm Mechanical factor: 4.6 Electrical factor: 0.39 Total factor: 0.37 BL Factor: 19.2 T · m Effective Moving Mass: 90 g Equivalent Cas air load: 134 liters Effettive piston area: 0.086 m² Max. linear excursion (mathematical): 6.0 mm Voice - coil inductance @ 1kHz: 0.9 mH Half-space efficiency: 3.70%
Mounting information Overall Diameter: 388 / 15.3 mm/inch Bolt Circle Diameter: 369-373.5 / 14.5-14.7 mm/inch Bolt Hole Diameter: 5.5 / 0.22 mm/inch Front Mount Baffle Cut-out: 355 / 13.98 mm/inch Rear Mount Baffle Cut-out: 358 / 14.09 mm/inch Depth: 152 / 5.98 mm/inch Volume occupied by the driver: 3.0 / 0.11 liters/ft³ Net Weight: 3.7 / 8.16 kg/lbs
RCF MB15N301, Mid-Bass 15", 500 Watt RMS / 8 Ohm
