PRODUCT HIGHLIGHTS
Size: 18"
Power Handling: 1000W RMS / 2000W Program Power
Voice Coil: 4" fiberglass inside/outside copper voice coil
Impedance: 8 ohms
Sensitivity: 97.5 dB
Frequency Range: 25 Hz – 1 kHz
PRODUCT DESCRIPTION / SPECIFICATIONS
4-in ch, fiberglass inside/outside copper voice coil ; 2000W continuous program power handling ; 97.5 dB Sensitivity ; 25 Hz - 1 kHz Frequency range
Aluminum demodulation ring ; Forced air ventilation & 15mm top plate for minimum power compression ; Dual spider design w/silicon based dampening control
Triple roll surround & corrugated straight cone geometry ; The L18P400 is ideal for use in applications where incredible power handling,long excursion & perfect control is required. ; Ideal for high quality professional bass reflex & bass-horn system.
The transducer's low frequency extension, coupled w/its extremely low generation of harmonic distortion,also makes it ideal for use within critical listening applications such as studio monitoring subwoofer system. ; Nominal Diameter: 460 / 18 mm/inch
Rated Impedance: 8 Ohms ; Program Power: 2000 W AES ; Power handling capacity: 1000 W AES ; Sensitivity: 97.5 dB
Frequency Range: 25 Hz to 1000 Hz ; Effective Piston Diameter: 395 / 15.6 mm/inch ; Max Excursion Before Damage (peak to peak): 50 / 2.0 mm/inch ; Minimum Impedance: 6.5 Ohms
Voice Coil Diameter: 100 / 4 mm/inch ; Voice Coil Material: Copper ; Voice Coil Winding Depth: 25 / 1.0 mm/inch ; Number of layers: 2
Kind of layer: inside / outside ; Top Plate Thickness: 15 / 0.6 mm/inch ; Cone Material: No pressed pulp ; Cone Design: Straight ; Surround Material: Polycotton ; Surround Design: Triple roll
THIELE/SMALL PARAMETERS ; Resonance frequency: 29 Hz ; DC resistance: 5.1 Ohms ; Mechanical factor: 7.6 ; Electrical factor: 0.29 ; Total factor: 0.28 ; BL Factor: 24.6 T - m ; Effective Moving Mass: 200 g ; Equivalent Cas air load: 340 liters ; Effettive piston area: 0.122 m-Squared ; Max. linear excursion (mathematical): 8.8 mm ; Voice - coil inductance at 1kHz: 2.5 mH ; Half-space efficiency: 2.63%
Overall Diameter: 465 / 18.3 mm/inch ; Bolt Circle Diameter: 442-447 / 17.4-17.6 mm/inch ; Bolt Hole Diameter: 6.5 / 0.25 mm/inch ; Front Mount Baffle Cut-out: 424 / 16.7 mm/inch ; Rear Mount Baffle Cut-out: 424 / 16.7 mm/inch ; Depth: 205 / 8.1 mm/inch ; Volume occupied by the driver: 6.0 / 0.21 liters/ft3 ; Net Weight: 13.3 / 29.3 kg/lbs ; Shipping weight: 14.3 / 31.5 kg/lbs
Made in Italy