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The MB15N351 is designed to provide an excellent frequency response linearity with very low distortion. A very strong neodymium magnetic structure guarantee dynamic and precision, a new and unique 3,5” voice coil design provides a very high power handling, especially recommended in comparison to a standard 3” voice coil. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling.
Features 3.5-inch, fiberglass inside/outside copper voice coil 1400W continuous program power handling 99 dB Sensitivity 40 Hz – 2.5 kHz Frequency range Dual Forced Hyperventing System Dual spider design with silicon based dampening control M-roll surround and corrugated straight cone geometry
General Specifications Nominal Diameter: 380 / 15 mm/inch Rated Impedance: 8 Ohm Program Power: 1400 W AES Power handling capacity: 700 W AES Sensitivity: 99 dB Frequency Range: 40 Hz ÷ 2500 Hz Effective Piston Diameter: 330/13 mm/inch Max Excursion Before Damage (peak to peak): 40 / 1.57 mm/inch Minimum Impedance: 6.5 Ohm Voice Coil Diameter: 87 / 3.4 mm/inch Voice Coil Material: Copper Voice Coil Winding Depth: 19 / 0.74 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: Straight Surround Material: Polycotton Surround Design: M-roll
Thiele/Small Parameters Resonance frequency: 46 Hz DC resistance: 5.4 Ohm Mechanical factor: 6.7 Electrical factor: 0.33 Total factor: 0.31 BL Factor: 22.8 T · m Effective Moving Mass: 106 g Equivalent Cas air load: 114 liters Effettive piston area: 0.086 m² Max. linear excursion (mathematical): 7.0 mm Voice - coil inductance @ 1kHz: 1,5 mH Half-space efficiency: 3.20%
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: 354 / 13.9 mm/inch Rear Mount Baffle Cut-out: 354 / 13.9 mm/inch Depth: 151 / 5.94 mm/inch Volume occupied by the driver: 4.5 / 0.153 liters/ft³ Net Weight: 8.2 / 18.04 kg/lbs
Herzliche Glückwünsche an den Gewinner vom August: Etienne Laget, Vaires sur Marne (FR)
Der Gewinner aus dem Vormonat (Juli): Wim Rutjens, Tegelen (NL)