Skip to content
Description
The RCF MB8N251 is a high-power 8-inch neodymium mid-bass driver, delivering 600W program power handling with excellent linearity and efficiency. Its 2.5-inch aluminum voice coil on a fiberglass former ensures high performance and extended frequency response. Designed with an aluminum basket and forced air ventilation, it provides superior heat dissipation and low power compression. The M-roll surround and exponential cone geometry contribute to precise low-frequency reproduction and smooth response.
Product Specifications:
Nominal Diameter: 8 inch / 203 mm
Impedance: 8 ohms
Program Power: 600W
Power Handling Capacity: 300W
Sensitivity: 96 dB
Frequency Range: 60 Hz - 3.5 kHz
Effective Piston Diameter: 165 mm / 6.5 inch
Max Excursion Before Damage: 40 mm / 1.57 inch
Minimum Impedance: 6.0 ohm
Voice Coil Diameter: 2.5 inch / 63 mm
Voice Coil Winding Material: Aluminum
Voice Coil Length: 14 mm / 0.55 inch
Number of Layers: 1 (outside)
Top Plate Thickness: 9 mm / 0.35 inch
Cone Design: Curved
Surround Material: Polycotton
Surround Design: M-roll
Magnet Type: Neodymium
Dual-Force Air Ventilation: Yes
Spider: Single
Thiele-Small Parameters:
Resonance Frequency (Fs): 68 Hz
DC Resistance (Re): 5.10 ohm
Mechanical Q Factor (Qms): 4.60
Electrical Q Factor (Qes): 0.26
Total Q Factor (Qts): 0.25
Bl Factor: 15.20 T x m
Effective Moving Mass (Mms): 27.0 g
Equivalent Air Volume (Vas): 13.0 liters
Effective Piston Area (Sd): 0.020 m²
Max Linear Excursion (Xmax): 5 mm
Voice Coil Inductance @ 1kHz (Le1k): 1.30 mH
Half-Space Efficiency: 1.70%
Mounting Information:
Overall Diameter: 239 mm / 9.41 inches
Bolt Circle Diameter: 221-227 mm / 8.7-8.94 inches
Bolt Hole Diameter: 7 mm / 0.28 inch
Front Mount Baffle Cutout: 185 mm / 7.28 inches
Rear Mount Baffle Cutout: 185 mm / 7.28 inches
Volume Occupied by Driver: 0.6 liters / 0.02 ft³
Height: 102 mm / 4.02 inches
Diameter: 208 mm / 8.19 inches
Weight: 2.01 kg / 4.43 lbs
Shipping Information:
Package Height: 125 mm / 4.92 inches
Package Width: 235 mm / 9.25 inches
Package Depth: 220 mm / 8.66 inches
Package Weight: 2.47 kg / 5.45 lbs
Get the gear you need now with easy financing
Get the gear you need now with Financing and Lease options. As an artist or sound professional your business needs high quality speakers, lighting and cases to do your job, be professional and competitive.
Choose Shop Pay or After Pay in checkout for instant financing application. We also offer Acima Leasing, Synchrony, Progressive or Snap financing just give us a call 1-800-700-4542.
*Our online prices are always honored instore guaranteed.
Available Rebates for RCF MB8N251 Neodymium Mid-Bass Driver - 8"
| Method | Amount | Details | How to get | Offer Ends |
|---|---|---|---|---|
| Download PDF |