RCF MR8N301 High Efficiency

Especially designed for horn-loading & line array configurations.* The ideal range of application are mid & mid-low frequencies.* The combination of the 3-in voice coil, the neodymium motor & the heat sink basket design makes this driver the ideal solution for most demanding applications.The total weight is reduced to less than half of a comparable ceramic midrange.* 3-inch, finside/outside copper voice coil* 400W continuous program power handling* 107 dB Sensitivity in horn loaded application* 300 Hz – 3 kHz Frequency range* High BL neodymium design* Unique aluminum sealed basket featuring vented fin heat dissipation design* Calibrated back volume for a perfect time domain transient reproduction General Specifications* Nominal Diameter: 200 / 8 mm/inch* Rated Impedance: 8 Ohms* Program Power: 400 W AES* Power handling capacity: 200 W AES* Sensitivity: 102 dB* Frequency Range: 300 Hz to 3000 Hz* Effective Piston Diameter: 168 / 6.6 mm/inch* Max Excursion Before Damage (peak to peak): 15 / 0.6 mm/inch* Minimum Impedance: 9.8 Ohms* Voice Coil Diameter: 76 / 3 mm/inch* Voice Coil Material: Aluminum* Voice Coil Winding Depth: 11 / 0.4 mm/inch* Number of layers: 2* Kind of layer: inside / outside* Top Plate Thickness: 8 / 0.3 mm/inch* Cone Material: No pressed pulp* Cone Design: Curved* Surround Material: Polycotton* Surround Design: Triple roll Thiele/Small Parameters* DC resistance: 6.6 Ohms* Mechanical factor: 3.45* Electrical factor: 0.41* Total factor: 0.37* BL Factor: 17.8 T · m* Effective Moving Mass: 10.1 g* Equivalent Cas air load: 1.65 liters* Effettive piston area: 0.021 m²* Max. linear excursion (mathematical): 3.5 mm* Voice - coil inductance at 1kHz: 1.16 mH* Half-space efficiency: 12.8% Mounting information* Overall Diameter: 238 / 9.4 mm/inch* Bolt Circle Diameter: 220 / 8.7 mm/inch* Bolt Hole Diameter: 6.5 / 0.3 mm/inch* Front Mount Baffle Cut-out: 202 / 8.0 mm/inch* Rear Mount Baffle Cut-out: 182 / 7.2 mm/inch* Depth: 101.5 / 4.0 mm/inch* Volume occupied by the driver: 2 / 0.07 liters/ft³* Net Weight: 3.5 / 7.7 kg/lbs* Shipping weight: 4.0 / 8.8 kg/lbs