Description
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 m²
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 ft³
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
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