RCF LF15N401 woofer 380 mm

Specifiche

• 15-inch woofer
• 4-inch fibreglass inside/outside copper voice coil 
• 1,800 watts of continuous programming power 
• sensitivity: 97 dB
• frequency range: 3 Hz - 1.5 kHz
• double-forced air ventilation and 15mm top plate for minimal power compression 
• double spider design with silicone based dampening control 
• triple roll form with corrugated straight cone geometry 
• nominal diameter: 380 mm / 15 inches
• nominal impedance: 8 ohms
• program power: 1,800 AES
• power handling capacity: 900 W AES 
• sensitivity: 97 dB
• frequency range: 35 Hz – 1,500 Hz
• effective piston diameter: 340 mm / 13.4 inches
• maximum excursion before damage (peak to peak): 52 mm / ¼ inch
• minimum impedance: 6.3 ohms
• diameter voice coil : 100 mm / 4 inches
• voice coil material: copper
• voice coil winding depth: 25 mm /10 inches 
• number of layers: 2
• layer type: inside/outside
• thickness of top plate: 15 mm / 0.6 inches 
• cone material: no pressed pulp
• cone design: straight 
• surround material: polycotton
• surround design: triple roll 
• DC resistance: 5.1 ohms
• mechanical factor: 5.8
• electrical factor: 0.23
• total factor: 0.22
• BL factor: 27.8 T – m
• effective moving mass: 158 grams
• Equivalent Cas air load: 160 L
• effective piston area: 0.091 m²
• maximum linear excursion (mathematical) 8.8 mm 
• voice - coil inductance @ 1KHz: 2.5 mH
• half-space efficiency: 2.64% 
• total diameter: 393 mm / 15.5 inches 
• diameter bolt circle: 371 - 376 mm / 14.6 - 14.8 inches 
• bolt hole diameter: 6.5 mm / 0.3 inches
• front mount baffle cut-out: 354 mm / 13.9 inches
• rear mount baffle cut-out: 354 mm / 13.9 inches
• depth: 158 mm / 6.2 inches
• volume occupied by driver: 3.8 L
• nett weight: 8.6 kg