RCF 10" Speaker, 200W, 97.5dB, 50-3000Hz, X-max 4.3mm, weight 4.4 kg The RCF 10" mid-bass speaker offers high efficiency and very high sensitivity with excellent linearity. Featuring a copper ring that reduces distortion and smooths the response up to 3 kHz, this speaker is designed to handle 350 Watt RMS power. **Features:** - 2-inch inside/outside aluminum voice coil - 400W continuous program power handling - 97.5 dB Sensitivity - 50 Hz – 3 kHz Frequency range - M-roll surround and exponential cone geometry - Copper ring **General Specifications:** - Nominal Diameter: 250 / 10 mm/inch - Rated Impedance: 8 ohm - Program Power: 400 W AES - Power handling capacity: 200 W AES - Sensitivity: 97.5 dB - Frequency Range: 50 Hz ÷ 3000 Hz - Effective Piston Diameter: 210 / 8.3 mm/inch - Max Excursion Before Damage (peak to peak): 40 / 1.6 mm/inch - Minimum Impedance: 6.6 ohm - Voice Coil Diameter: 51 / 2 mm/inch - Voice Coil Material: Copper - Voice Coil Winding - Depth: 13 / 0.5 mm/inch - Number of layers: 2 - Kind of layer: inside / outside - Top Plate Thickness: 9 / 0.35 mm/inch - Cone Material: No pressed pulp - Cone Design: Curved - Surround Material: Polycotton - Surround Design: M-roll **Thiele/Small Parameters:** - Resonance frequency: 70 Hz - DC resistance: 5.1 ohm - Mechanical factor: 6 - Electrical factor: 0.41 - Total factor: 0.38 - BL Factor: 12.8 T · m - Effective Moving Mass: 30 g - Equivalent Cas air load: 29.4 liters - Effective piston area: 0.035 m2 - Max. linear excursion (mathematical): 4.3 mm - Voice-coil inductance @ 1kHz: 1.05 mH - Half-space efficiency: 2.37% **Mounting information:** - Overall Diameter: 260 / 10.2 mm/inch - Bolt Circle Diameter: 242-247 / 9.2-9.7 mm/inch - Bolt Hole Diameter: 7 / 0.3 mm/inch - Front Mount Baffle Cut-out: 230 / 9.1 mm/inch - Rear Mount Baffle Cut-out: 229 / 9.0 mm/inch - Depth: 115 / 4.5 mm/inch - Volume occupied by the driver: 1.1 / 0.04 liters/ft3 - Net Weight: 4.4 / 9.7 kg/lbs **Shipping information:** Shipping weight: 4.8 / 10.6 kg/lbs