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RCF 15" Mid-Bass Woofer Neodymium High-Efficiency Driver | MB15N351

RCF 15" Mid-Bass Woofer Neodymium High-Efficiency Driver | MB15N351

SoundPro Item: 113812 | Part Number: MB15N351

Regular price $519.00
Regular price $749.00 Sale price $519.00
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MSRP: $749.00 | MAP: $519.00

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  • Neodymium Magnetic Structure Delivers High Flux Density For Elevated Sensitivity
  • Dual-Forced Air Ventilation Keeps Power Compression Minimal At High Drive Levels
  • Inside/Outside Voice Coil Winding Maximizes Motor Efficiency Across The Bandwidth
  • Polycotton Surround With Curved Cone Geometry Supports Controlled Excursion
  • CE Compliant Construction Meets Professional Safety Standards

This RCF 15" mid-bass driver family is designed for system integrators, cabinet builders, and touring production teams who need a reliable, high-efficiency transducer for custom enclosures or direct replacement applications. Each driver is built around a neodymium magnetic structure that delivers high flux density in the gap, translating into the kind of sensitivity and dynamic headroom that passive and active PA systems demand at professional power levels. The range spans multiple voice coil diameters and power handling tiers, giving engineers the flexibility to match a driver to specific box volumes, amplifier configurations, and crossover points without compromising linearity.

Dual-forced air ventilation is a consistent design theme across the family, actively cooling the voice coil and magnetic assembly to keep power compression in check during extended high-level operation. Polycotton surrounds and curved cone geometry support controlled excursion and precise low-frequency reproduction, while the inside/outside winding configuration maximizes motor efficiency across the operating bandwidth. These are working drivers built for real-world loads, whether in a fixed-install subwoofer enclosure, a touring mid-bass cabinet, or a production-grade monitor system where thermal management and consistent output are non-negotiable. CE compliance is standard across the line.

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Specifications

Certifications
Safety Agency
CE Compliant
Audio
Nominal Diameter
15 inch / 381 mm
Rated Impedance
8 ohm
Minimum Impedance
6.8 ohm
Program Power
1300 W
Power Handling Capacity
650 W
Sensitivity
100.0 dB
Frequency Range
40 - 3000 Hz
Construction
Voice Coil Diameter
3.5 inch / 89 mm
Voice Coil Winding Material
Copper
Voice Coil Length
17 mm / 0.67 inch
Number Of Layers
2
Kind Of Layers
Inside/Outside
Top Plate Thickness
11 mm / 0.43 inch
Cone Design
Curved
Surround Material
Polycotton
Surround Design
M-roll
Magnets
Neodymium
Dual-Force Air Ventilation
Yes
Spider
03
Effective Piston Diameter
330 mm / 12.99 inch
Max. Excursion Before Damage
39 mm / 1.54 inch
Thiele-Small Parameters
Resonance Frequency (Fs)
42 Hz
DC Resistance (Re)
5.60 ohm
Mechanical Factor
4.00 Qms
Electrical Factor
0.24 Qes
Total Factor
0.22 Qts
Bl Factor
22.50 T x m
Effective Moving Mass (Mms)
80.0 g
Equivalent Vas Air Loaded
191.0 liters
Effective Piston Area (Sd)
0.090 m2
Max. Linear Excursion (Xmax)
6 mm
Voice Coil Inductance @ 1kHz (Le1k)
1.65 mH
Half-Space Efficiency (Eff)
5.68%
Dimensions
Overall Diameter
393 mm / 15.47 inches
Height
180 mm / 7.09 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 Driver
3.8 liters / 0.15 ft3
Weight
Product Weight
5.16 kg / 11.38 lbs
Shipping
Package Height
230 mm / 9.06 inches
Package Width
440 mm / 17.32 inches
Package Depth
440 mm / 17.32 inches
Package Weight
6.52 kg / 14.37 lbs

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