RCF L18S801 8/ohm

Reproduktor 18" 700W, 99,5dB, 38-1000Hz

The L18S801 is the RCF classical high efficiency 18" woofer.
A perfect blend of voice coil length, moving mass weight and suspensions control makes this transducer the preferred solution for many speakers and rental companies.
Voice coil construction, suspension and cone materials are upgrade in order to withstand up to 700 watt RMS power.

Features:

4-inch, fiberglass inside/outside copper voice coil
1400W continuous program power handling
99.5 dB Sensitivity
38 Hz – 1 kHz Frequency range
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: 1400 W AES
• Power handling capacity: 700 W AES
• Sensitivity: 99.5 dB
• Frequency Range: 38 Hz ÷ 1000 Hz
• Effective Piston Diameter: 380 / 15 mm/inch
• Max Excursion Before Damage (peak to peak): 40 / 1.6 mm/inch
• Minimum Impedance: 6.3 ohm
• Voice Coil Diameter: 100 / 4 mm/inch
• Voice Coil Material: Copper
• Voice Coil Winding Depth: 18.5 / 0.7 mm/inch
• Number of layers: 2
• Kind of layer: inside / outside
• Top Plate Thickness: 10 / 0.4 mm/inch
• Cone Material: No pressed pulp
• Cone Design: Curved
• Surround Material: Polycotton
• Surround Design: M - roll

Thiele/Small Parameters:

• Resonance frequency: 39 Hz
• DC resistance: 4.9ohm
• Mechanical factor: 8.3
• Electrical factor: 0.30
• Total factor: 0.29
• BL Factor: 24.5 T · m
• Effective Moving Mass: 148 g
• Equivalent Cas air load: 206 liters
• Effettive piston area: 0.113 m2
• Max. linear excursion (mathematical): 6.8 mm
• Voice - coil inductance @ 1kHz: 1.7 mH
• Half-space efficiency: 3.93%

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 / 8.3 mm/inch
• Volume occupied by the driver: 6.5 / 0.23 liters/ft3
• Net Weight: 13.1 / 29.1 kg/lbs
• Shipping weight: 13.8 / 30.7 kg/lbs