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.
• 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
Cone Design: Curved
Dual-force air ventilation: Yes
Effective piston diameter: 330 mm / 12.99 inch
Frequency range: 40 - 3500 Hz
Kind of layers: inside/outside
Magnets: Neodymium
Max. Excursion Before Damage: 40 mm / 1.57 inch
Minimim Impedance: 6 ohm
Nominal Diameter: 15 inch / 381 mm
Number of layers: 2
Power handling capacity: 500 W
Program Power: 1000 W
Rated Impedance: 8 ohm
Sensitivity: 99 dB
Spider: Single
Surround Design: Curved
Surround Material: Polycotton
Top Plate Thickness: 10 mm / 0.39 inch
Voice Coil Diameter: 3.0 inch / 76 mm
Voice Coil Material: Aluminium
Voice Coil Winding Material: 17 mm / 0.67 inch
Mounting Information
Bolt circle diameter: 369-373 mm / 14.53-14.69 inch
Bolt hole diameter: 6 mm / 0.24 inch
Front mount baffle cut-out: 355 mm / 13.98 inch
Overall diameter: 388 mm / 15.28 inches
Rear mount baffle cut-out: 358 mm / 14.09 inch
Volume occupied by the driver: 3 liters / 0.12 ft3
Size
Diameter: 388 mm / 15.28 inches
Height: 165 mm / 6.5 inches
Weight: 3.7 kg / 8.16 lbs
Standard compliance
CE marking: Yes
Thiele - small parameters
BL factor (BL): 19.20 T x m
DC resistance (Re): 5.80 ohm
Effective moving mass (Mms): 90 gr
Effettive piston area (Sd): 0.09 m2
Electrical factor (Qes): 0.39 Qes
Equivalent Cas air loaded (Vas): 134 liters
Half-space efficency (Eff): 3.70%
Max. linear excursion (Xmax): 6 mm
Mechanical factor: 4.60 Qms
Resonance frequency (Fs): 48 Hz
Total factor: 0.37 Qts
Voice coil inductance @ 1kHz (Le1k): 0.90 mH
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