RCF MB15N401 15" Mid-Bass w/ 4" Voice Coil

• 4-inch, fiberglass inside/outside copper voice coil
• 1700W continuous program power handling
• 100 dB Sensitivity
• 40 Hz 2 kHz Frequency range
• Dual-forced air ventilation for minimum power compression
• Triple roll surround and exponential cone geometry
• Aluminum demodulation ring

General specifications
Cone Design: Curved
Dual-force air ventilation: Yes
Effective piston diameter: 340 mm / 13.39 inch
Frequency range: 40 - 2000 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: 850 W
Program Power: 1700 W
Rated Impedance: 8 ohm
Sensitivity: 100 dB
Spider: Single
Surround Design: Triple roll
Surround Material: Polycotton
Top Plate Thickness: 12 mm / 0.47 inch
Voice Coil Diameter: 4.0 inch / 102 mm
Voice Coil Material: Copper
Voice Coil Winding Material: 18 mm / 0.71 inch

Mounting Information
Bolt circle diameter: 371-376 mm / 14.61-14.8 inch
Bolt hole diameter: 7 mm / 0.28 inch
Front mount baffle cut-out: 354 mm / 13.94 inch
Overall diameter: 393 mm / 15.47 inches
Rear mount baffle cut-out: 354 mm / 13.94 inch
Volume occupied by the driver: 3.8 liters / 0.15 ft3

Size
Diameter: 393 mm / 15.47 inches
Height: 161 mm / 6.34 inches
Weight: 7.5 kg / 16.53 lbs

Standard compliance
CE marking: Yes

Thiele - small parameters
BL factor (BL): 26.10 T x m
DC resistance (Re): 5.00 ohm
Effective moving mass (Mms): 100 gr
Effettive piston area (Sd): 0.09 m2
Electrical factor (Qes): 0.20 Qes
Equivalent Cas air loaded (Vas): 136 liters
Half-space efficency (Eff): 4.86%
Max. linear excursion (Xmax): 6 mm
Mechanical factor: 7.70 Qms
Resonance frequency (Fs): 42 Hz
Total factor: 0.19 Qts
Voice coil inductance @ 1kHz (Le1k): 1.60 mH

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