Description
The RCF MB15N351 is a high-performance 15-inch mid-bass transducer designed for superior linearity and low distortion. Built with a powerful neodymium magnet and an advanced 3.5” voice coil, it delivers enhanced power handling and efficiency. The dual-forced air ventilation system ensures optimal cooling, minimizing power compression at high output levels, making it ideal for demanding professional audio applications.
Product Specifications:
Nominal Diameter: 15" (381 mm)
Impedance: 8Ω
Program Power: 1300W
Continuous Power Handling: 650W
Sensitivity: 100 dB
Frequency Range: 40 Hz – 3000 Hz
Effective Piston Diameter: 12.99" (330 mm)
Max. Excursion Before Damage: 1.54" (39 mm)
Minimum Impedance: 6.8Ω
Voice Coil & Magnet
Diameter: 3.5" (89 mm)
Winding Material: Copper
Length: 0.67" (17 mm)
Layers: 2 (inside/outside)
Top Plate Thickness: 0.43" (11 mm)
Magnet Type: Neodymium
Dual-Force Air Ventilation: Yes
Thiele-Small Parameters
Resonance Frequency (Fs): 42 Hz
DC Resistance (Re): 5.60Ω
Qms: 4.00
Qes: 0.24
Qts: 0.22
BL Factor: 22.50 T·m
Moving Mass (Mms): 80 g
Vas: 191 liters
Sd: 0.090 m²
Max Linear Excursion (Xmax): 6 mm
Voice Coil Inductance @ 1 kHz (Le1k): 1.65 mH
Mounting Information
Overall Diameter: 15.47" (393 mm)
Bolt Circle Diameter: 14.61 - 14.8" (371-376 mm)
Bolt Hole Diameter: 0.28" (7 mm)
Front/Rear Mount Cutout: 13.94" (354 mm)
Volume Occupied by Driver: 0.15 ft³ (3.8 liters)
Size & Weight
Height: 7.09" (180 mm)
Weight: 11.38 lbs (5.16 kg)
Shipping Information
Package Dimensions (H x W x D): 9.06" x 17.32" x 17.32" (230 mm x 440 mm x 440 mm)
Package Weight: 14.37 lbs (6.52 kg)
Financing Options
Hassle-Free Financing Available
Get the gear you need now and pay over time. Perfect for working DJs, artists, and sound pros who need pro-grade speakers, lighting, and cases to stay competitive.
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- Fast approvals so you buy today and pay monthly
Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.