RCF LF18N401

Reproduktor RCF 18", 1200W, 98dB, 30-1000Hz, X-max 8,8mm, hmotnost 9,1kg

Incredibly linear frequency response characteristics,the highest power handling of any comparable 18-inch neodymium transducer, the lowest power compression.

The LF18N401 uses a fibre loaded cone assembly along with a high excursion triple roll,constant geometry surround.

This combination provides remarkablestrength venting system guarantee a very efficient voice coil ventilation for minimum power compression and higher power handling.

Features:

• 4 - inch, fiberglass inside-outside copper voice coil
• 2400 Watt continuous program power handling
• 98 dB Sensitivity
• 30 Hz - 1 kHz Frequency range
• Dual-forced air ventilation and 15mm top plate for minimum power compression
• Dual spider design with silicon based dampening control
• Triple-roll surround and corrugated straight cone geometry

General Specifications:

• Nominal Diameter: 460 / 18 mm/inch
• Rated Impedance: 8 ohm
• Program Power: 2400 W AES
• Power handling capacity: 1200 W AES
• Sensitivity: 98 dB
• Frequency Range: 30 Hz ÷ 1000 Hz
• Effective Piston Diameter: 395 / 15.6 mm/inch
• Max Excursion Before Damage (peak to peak): 52 / 2.1 mm/inch
• Minimum Impedance: 6.3 ohm
• 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:

• DC resistance: 5.1ohm
• Mechanical factor: 6.5
• Electrical factor: 0.27
• Total factor: 0.26
• BL Factor: 27.8 T · m
• Effective Moving Mass: 201 g
• Equivalent Cas air load: 257 liters
• Effettive piston area: 0.122 m2
• Max. linear excursion (mathematical): 8.8 mm
• Voice - coil inductance @ 1kHz: 2.5 mH
• Half-space efficiency: 3.01%

Mounting information:

• Overall Diameter: 465 / 18.3 mm/inch
• Bolt Circle Diameter: 442-447 / 17.4-17.6 mm/inch
• Bolt Hole Diameter: 6.5 / 0.3 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: 5.5 / 0.19 liters/ft3
• Net Weight: 9.1 / 20.2 kg/lbs

Shipping information: • Shipping weight: 9.1 / 20.2 kg/lbs