RCF 18" Speaker, 1000W, 97dB, 35-1000Hz, X-max 7.8mm, weight 14kg. In production for over a decade, the L18P300 has become an industry standard. Featuring a robust magnetic unit with 15mm thick plates and specially designed suspensions, it ensures excellent control of amplitude exceeding +/- 12mm. The advanced cooling system with forced air ventilation provides efficient heat dissipation, offering minimal power compression levels in the market. Upgraded voice coil construction, suspensions, and cone materials enable it to handle up to 1 Kilowatt RMS power. **Features:** - 4-inch fiberglass inside/outside copper voice coil - 2000W continuous program power handling - 97 dB Sensitivity - 35 Hz – 1.5 kHz Frequency range - Forced air ventilation and 15mm top plate for minimum power compression - Dual spider design with silicon-based dampening control - M-roll surround and exponential cone geometry **General Specifications:** - Nominal Diameter: 460 / 18 mm/inch - Rated Impedance: 8 ohm - Program Power: 2000 W AES - Power handling capacity: 1000 W AES - Sensitivity: 97 dB - Frequency Range: 35 Hz ÷ 1000 Hz - Effective Piston Diameter: 380 / 15 mm/inch - Max Excursion Before Damage (peak to peak): 40 / 1.6 mm/inch - Minimum Impedance: 6.0 ohm - Voice Coil Diameter: 100 / 4 mm/inch - Voice Coil Material: Copper - Voice Coil Winding Depth: 23 / 0.9 mm/inch - Number of layers: inside / outside - Top Plate Thickness: 15 / 0.6 mm/inch - Cone Material: No pressed pulp - Cone Design: Curved - Surround Material: Polycotton - Surround Design: M-roll **Thiele/Small Parameters:** - Resonance frequency: 33 Hz - DC resistance: 5.0 ohm - Mechanical factor: 8.3 - Electrical factor: 0.34 - Total factor: 0.33 - BL Factor: 23.5 T · m - Effective Moving Mass: 180 g - Equivalent Cas air load: 226 liters - Effective piston area: 0.113 m2 - Max. linear excursion (mathematical): 7.8 mm - Voice-coil inductance @ 1kHz: 1.9 mH - Half-space efficiency: 2.30% **Mounting information:** - Overall Diameter: 470 / 18.5 mm/inch - Bolt Circle Diameter: 438 / 17.2 mm/inch - Bolt Hole Diameter: 8 / 0.3 mm/inch - Front Mount Baffle Cut-out: 416 / 16.4 mm/inch - Rear Mount Baffle Cut-out: 416 / 16.4 mm/inch - Depth: 209 mm/inch - Volume occupied by the driver: 6.5 liters/ft3 - Net Weight: 14 kg / 31.1 lbs **Shipping information:** - Shipping weight: 14.8 kg / 32.9 lbs