The RCF MR8N301 is a high-efficiency, high-power 8-inch midrange driver designed for superior sound pressure levels in a compact size. With a 3-inch copper voice coil and a neodymium magnet assembly, it delivers 400W program power handling and 102 dB sensitivity. The sealed aluminum basket with vented fin heat dissipation enhances cooling, while the calibrated back volume ensures precise transient response. Perfect for horn-loaded applications, it simplifies cabinet design while maintaining outstanding clarity and efficiency.

Product Specifications:

Nominal Diameter: 8 inch / 203 mm

Impedance: 8 ohms

Program Power: 400W

Power Handling Capacity: 200W

Sensitivity: 102 dB

Frequency Range: 300 Hz – 3.0 kHz

Effective Piston Diameter: 168 mm / 6.61 inch

Max Excursion Before Damage: 15 mm / 0.59 inch

Minimum Impedance: 9.8 ohm

Voice Coil Diameter: 3.0 inch / 76 mm

Voice Coil Winding Material: Aluminum

Voice Coil Length: 11 mm / 0.43 inch

Number of Layers: 2 (inside/outside)

Top Plate Thickness: 8 mm / 0.31 inch

Cone Design: Curved

Surround Material: Polycotton

Surround Design: Triple roll

Magnet Type: Neodymium

Spider: Single

Thiele-Small Parameters:

Resonance Frequency (Fs): 310 Hz

DC Resistance (Re): 6.60 ohm

Mechanical Q Factor (Qms): 3.45

Electrical Q Factor (Qes): 0.41

Total Q Factor (Qts): 0.37

Bl Factor: 17.80 T x m

Effective Moving Mass (Mms): 10.0 g

Equivalent Air Volume (Vas): 2.0 liters

Effective Piston Area (Sd): 0.020 m

Max Linear Excursion (Xmax): 4 mm

Voice Coil Inductance @ 1kHz (Le1k): 1.16 mH

Half-Space Efficiency: 12.80%

Mounting Information:

Overall Diameter: 238 mm / 9.37 inches

Bolt Circle Diameter: 220 mm / 8.66 inches

Bolt Hole Diameter: 7 mm / 0.28 inch

Front Mount Baffle Cutout: 202 mm / 7.95 inches

Rear Mount Baffle Cutout: 187 mm / 7.36 inches

Volume Occupied by Driver: 2 liters / 0.08 ft

Height: 111 mm / 4.37 inches

Diameter: 208 mm / 8.19 inches

Weight: 3.31 kg / 7.3 lbs

Shipping Information:

Package Height: 150 mm / 5.91 inches

Package Width: 240 mm / 9.45 inches

Package Depth: 240 mm / 9.45 inches

Package Weight: 3.77 kg / 8.31 lbs