RCF 10" Speaker, 350W, 100dB, 70-3000Hz, X-max 2.5mm, weight 7.7 kg The RCF L10-750YK is a top-tier mid-bass woofer designed for professional use, boasting exceptional output and dynamics. Featuring a 3" coil, fiberglass former, and copper wire winding, this speaker delivers improved transient peak response and extended mid-high frequencies. The specially engineered M-roll surround ensures minimal midrange distortion and effective damping of unwanted resonances. **Features:** - 3-inch fiberglass inside/outside copper voice coil - 700W continuous program power handling - 100 dB sensitivity - 70 Hz – 3 kHz frequency range - Shaped M-roll damped surround **General Specifications:** - Nominal Diameter: 250 / 10 mm/inch - Rated Impedance: 8 ohm - Program Power: 700 W AES - Power handling capacity: 350 W AES - Sensitivity: 100 dB - Frequency Range: 70 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: 6.7 ohm - Voice Coil Diameter: 76 / 3 mm/inch - Voice Coil Material: Copper - Voice Coil Winding Depth: 9 / 0.35 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: 68 Hz - DC resistance: 5.1 ohm - Mechanical factor: 4.2 - Electrical factor: 0.25 - Total factor: 0.24 - BL Factor: 17.5 T · m - Effective Moving Mass: 36 g - Equivalent Cas air load: 26 liters - Effective piston area: 0.035 m2 - Max. linear excursion (mathematical): 2.5 mm - Voice-coil inductance @ 1kHz: 1.3 mH - Half-space efficiency: 3.15% **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: 120 / 4.7 mm/inch - Volume occupied by the driver: 1.2 / 0.04 liters/ft3 - Net Weight: 7.7 / 16.9 kg/lbs **Shipping Information:** - Shipping weight: 8.1 / 18.0 kg/lbs