RCF MB15N301 - 15" 500W 8 Ohm
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
Applications
The very light moving mass and linear curve response make the MB15N301 the solution for high quality two or three way system. The aluminium voice coil guarantee a very high efficiency in conjunction to a proper Q factor for good bass response.
General Specifictions
- Nominal Diameter - 380 mm /15 inch
- Rated Impedance - 8 ohm
- Program Power - 1000 Watts
- Power handling capacity - 500 Watts
- Sensitivity - 99 dB
- Frequency Range - 40 - 3500 Hz
- Effective Piston Diameter - 330 mm /13.0 inch
- Max Excursion Before Damage (peak to peak) - 40 mm /1.57 inch
- Minimum Impedance - 6.8 ohm
- Voice Coil Diameter - 76 mm / 3.0 inch
- Voice Coil Material - Aluminum
- Voice Coil Winding Depth - 17 mm /0.67 inch
- Number of layers - 2
- Kind of layer - inside/outside
- Top Plate Thickness - 10 mm /0.39 inch
- Cone Material - No pressed pulp
- Cone Design - Curved
- Surround Material - Polycotton
- Surround Design - Triple-roll
Thiele - Small Parameters
- Resonance frequency Fs - 48 Hz
- DC resistance Re - 5.8 ohm
- Mechanical factor Qms - 4.6
- Electrical factor Qes - 0.39
- Total factor Qts - 0.37
- BL Factor BL - 19.2 T ยท m
- Effective Moving Mass Mms - 90 gr
- Equivalent Cas air load Vas - 134 litres
- Effective piston area Sd - 0.086 m2
- Max. linear excursion (mathematical) Xmax - 6.0 mm
- Voice - coil inductance @ 1KHz Le1K - 0.9 mH
- Half-space efficiency Eff - 3.70 %
Mounting Information
- Overall Diameter - 388 mm /15.3 inch
- Bolt Circle Diameter - 369-373.5 mm /14.5-14.7 inch
- Bolt Hole Diameter - 5.5 mm /0.22 inch
- Front Mount Baffle Cut-out - 355 mm /13.98 inch
- Rear Mount Baffle Cut-out - 358 mm /14.09 inch
- Depth - 152 mm /5.98 inch
- Volume occupied by the driver - 3.0 mm /0.11 inch
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