RCF MB15X351 1400 Watt 15 inch Mid Bass Woofer

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. With 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.

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

SPECIFICATIONS
GENERAL SPECIFICATIONS
Nominal Diameter: 15 inch / 381 mm
Rated Impedance: 8 ohm
Program Power (watt): 1400 W
Power handling capacity: 700 W
Sensitivity: 99.0 dB
Frequency range:40 – 2500 Hz
Effective piston diameter: 330 mm / 12.99 inch
Max. Excursion Before Damage: 40 mm / 1.57 inch
Minimum Impedance (ohm): 6.5 ohm
Voice Coil Diameter: 3.5 inch / 89 mm
Voice Coil Winding Material: Copper
Voice Coil Length: 19 mm / 0.75 inch
Number of layers: 2
Kind of layers: inside/outside
Top Plate Thickness: 10 mm / 0.39 inch
Cone Design: Curved
Surround Material: Polycotton
Surround Design: M-roll
Magnets: Ceramic
Dual-force air ventilation: Yes
Spider: Dual with silicon based damping control
THIELE – SMALL PARAMETERS
Resonance frequency (Fs): 46 Hz
DC resistance (Re) (ohm): 5.40 ohm
Mechanical factor: 6.70 Qms
Electrical factor: 0.33 Qes
Total factor: 0.31 Qts
Bl factor (Bl) (T x m): 22.80 T x m
Effective moving mass (Mms): 106.0 g
Equivalent Cas air loaded (Vas): 114.0 liters
Effective piston area (Sd): 0.090 m2
Max. linear excursion (Xmax): 7 mm
Voice coil inductance @ 1kHz (Le1k): 0.90 mH
Half-space efficency (Eff): 3.20%
MOUNTING INFORMATION
Overall diameter: 393 mm / 15.47 inches
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
Rear mount baffle cut-out: 354 mm / 13.94 inch
Volume occupied by the driver: 4.5 liters / 0.18 ft3
SIZE
Height: 167 mm / 6.57 inches
Diameter: 393 mm / 15.47 inches
Weight: 8.2 kg / 18.08 lbs
SHIPPING INFORMATION
Package Height: 209 mm / 8.23 inches
Package Width: 439 mm / 17.28 inches
Package Depth: 434 mm / 17.09 inches
Package Weight: 9.5 kg / 20.94 lbs