RCF 8" Speaker, 170W, 93dB, 50-4000Hz, X-max 5.8mm, weight 3.1kg Experience exceptional linearity and minimal distortion with this carbon-fiber cone transducer. The RCF exponential carbon-fiber cone, known for its strength and lightweight properties, effectively reduces breakup, ensuring high efficiency and excellent transient response. The cone is also water-repellent for added durability. Careful component selection and assembly processes make the L8S800 woofer highly reliable. Features: - 1.5-inch Kapton former copper voice coil - 340W continuous program power handling - 93 dB sensitivity - 50 Hz – 4 kHz frequency range - Exponential high-strength carbon fiber cone - M-roll damped surround General Specifications: - Nominal Diameter: 200 / 8 mm/inch - Rated Impedance: 8 ohm - Program Power: 340 W AES - Power handling capacity: 170 W AES - Sensitivity: 93 dB - Frequency Range: 50 Hz ÷ 4000 Hz - Effective Piston Diameter: 165 / 6.5 mm/inch - Max Excursion Before Damage (peak to peak): 30 / 1.2 mm/inch - Minimum Impedance: 7.3 ohm - Voice Coil Diameter: 38 / 1.5 mm/inch - Voice Coil Material: Copper - Voice Coil Winding Depth: 15 / 0.6 mm/inch - Number of layers: 2 - Top Plate Thickness: 7 / 0.3 mm/inch - Cone Material: Carbon fiber - Surround Material: Polycotton - Surround Design: M-roll Thiele/Small Parameters: - Resonance frequency: 60 Hz - DC resistance: 6.1 ohm - Mechanical factor: 4.1 - Electrical factor: 0.46 - Total factor: 0.41 - BL Factor: 10.3 T · m - Effective Moving Mass: 21 g - Equivalent Cas air load: 22 liters - Effective piston area: 0.021 m2 - Max. linear excursion (mathematical): 5.8 mm - Voice-coil inductance @ 1kHz: 0.9 mH - Half-space efficiency: 1.0% Mounting information: - Overall Diameter: 239 / 9.4 mm/inch - Bolt Circle Diameter: 221 / 8.7 mm/inch - Bolt Hole Diameter: 6.5 / 0.3 mm/inch - Front Mount Baffle Cut-out: 184 / 7.24 mm/inch - Rear Mount Baffle Cut-out: 184 / 7.24 mm/inch - Depth: 94 / 3.7 mm/inch - Volume occupied by the driver: 0.8 / 0.03 liters/ft3 - Net Weight: 3.1 / 6.8 kg/lbs Shipping information: - Shipping weight: 3.3 / 7.3 kg/lbs Enhance your sound system with the RCF 8" Speaker, delivering top-notch performance and reliability.