Forced air ventilation and 15mm top plate for minimum power compression.
The very stromg magnetic unit, with 15mm thick plates and specially designed suspensions ensure an excellent control of amplitude of over +/- 12millimeters. The special cooling system with forced air ventilation offer a great haet dissipation and the minimum levels of power compression available on the market. Voice coil construction, suapensions and cone materials are upgraded in order to withstand up to a Kilowatt RMS power. The L18P300 finds its best application in both bass reflex and band pass system. Its capacity to reproduce extremely low frequency along with extraordinary definition make it a no compromise woofer in its category, ideal for both live and recorded music. 4", 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. Nominal Diameter: 460 / 18. Rated Impedance: 8 O. Program Power: 2000 W AES. Power handling capacity: 1000 W AES. Sensitivity: 97 dB. Frequency Range: 35 Hz ÷ 1000 Hz. Effective Piston Diameter: 380 mm/ 15". Max Excursion Before Damage (peak to peak): 40 mm/ 1.6". Minimum Impedance: 6.0 O. Voice Coil Diameter: 100 / 4. Voice Coil Material: Copper. Voice Coil Winding Depth: 23 mm/ 0.9". Number of layers: inside / outside. Kind of layer: 2. Top Plate Thickness: 15 mm/ 0.6". Cone Material: No pressed pulp. Cone Design: Curved. Surround Material: Polycotton. Surround Design: M - roll. Thiele/Small Parameters:. Resonance frequency: 33 Hz. DC resistance: 5.0O. 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. Effettive piston area: 0.113 m². Max. linear excursion (mathematical): 7.8 mm. Voice - coil inductance 1kHz: 1.9 mH. Half-space effi
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