RCF LF18G401 - 18 inch 900W 8 Ohm
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RCF
RCF LF18G401 - 18" 900W 8 Ohm

 
Product Code: RCFLF18G401 | Brand: RCF
RCF LF18G401 - 18 inch 900W 8 Ohm
HOT DEAL:
£225.00
was £252.42
2-3 £248.63 ea.4-7 £246.11 ea.8+ £242.32 ea.
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£10.38 DELIVERY to mainland UK.
RCF LF18G401 - 18" 900W 8 Ohm

The LF18G401 is a 18-inch woofer with linear frequency response cheracteristics and very high power handling.

The LF18G401 uses a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround.
This combination provides remarkable strength and peak to peak maximum excursion of 50mm.


Applications:

The LF18G401 is ideal for use in applications where incredible power handling, long excursion and perfect control is required.
Ideal for high quality professional bass reflex and bass-horn system.
The robust machanical design and optimised weight of the device make it desiderable for use in fixed installation or portable professional loudspeaker system.

Main Features:

  • 4-inch, fiberglass inside/outside copper voice coil
  • 1800W continuous program power handling
  • 98 dB Sensitivity
  • 30 Hz - 1 kHz Frequency range
  • Dual spider design with silicon based dampening control
  • Triple-roll surround and corrugated straight cone geometry

General Specifications


  • Nominal Diameter: 460 / 18 inch
  • Rated Impedance: 8 O
  • Program Power: 1800 W AES
  • Power handling capacity: 900 W AES
  • Sensitivity: 98 dB
  • Frequency Range: 30 Hz - 1000 Hz
  • Effective Piston Diameter: 395 mm / 15.6 inch
  • Max Excursion Before Damage (peak to peak): 50 mm / 2.0 inch
  • Minimum Impedance: 5.9 O
  • Voice Coil Diameter: 100 mm / 4 inch
  • Voice Coil Material: Copper
  • Voice Coil Winding Depth: 23 mm / 0.9 inch
  • Number of layers: 2
  • Kind of layer: inside / outside
  • Top Plate Thickness: 12 mm / 0.5 inch
  • Cone Material: No pressed pulp
  • Cone Design: Straight
  • Surround Material: Polycotton
  • Surround Design: Triple roll

Thiele/Small Parameters


  • Fs: 33Hz
  • DC resistance: 4.8O
  • Mechanical factor: 7.6
  • Electrical factor: 0.30
  • Total factor: 0.29
  • BL Factor: 24.6 T · m
  • Effective Moving Mass: 182 g
  • Equivalent Cas air load: 268 litres
  • Effettive piston area: 0.122 m²
  • Max. linear excursion (mathematical): 8.5 mm
  • Voice - coil inductance @ 1kHz: 2.4 mH
  • Half-space efficiency: 3.09%

Mounting information


  • Overall Diameter: 465 mm / 18.3 inch
  • Bolt Circle Diameter: 442-447 mm / 17.4-17.6 inch
  • Bolt Hole Diameter: 6.5 mm / 0.3 inch
  • Front Mount Baffle Cut-out: 424 mm / 16.7 inch
  • Rear Mount Baffle Cut-out: 424 mm / 16.7 inch
  • Depth: 205 mm / 8.1 inch
  • Volume occupied by the driver: 7.0 litres / 0.25 ft³
  • Net Weight: 13 / 28.9 kg/lbs
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