LEAN AUDIO No.1 for PA Loudspeakers, Guitar Speakers, Bass Guitar Speakers & HI FI speakers

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RCF LF18G401 18" 900 Watts 8ohm Ferrite Loudspeaker

£215.75

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RCF LF18G401 900W AES 18" Driver 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 mm/inch
Rated Impedance: 8 ohm
Program Power: 1800 W AES
Power Handling Capacity: 900 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): 50 / 2.0 mm/inch
Minimum Impedance: 5.9 ohms
Voice Coil Diameter: 100 / 4 mm/inch
Voice Coil Material: Copper
Voice Coil Winding Depth: 23 / 0.9 mm/inch
Number of Layers: 2
Kind of Layer: Inside / Outside
Top Plate Thickness: 12 / 0.5 mm/inch
Cone Material: No pressed pulp
Cone Design: Straight
Surround Material: Polycotton
Surround Design: Triple roll

THIELE/SMALL PARAMETERS

DC Resistance: 4.8 ohm
Mechanical Factor: 7.6
Electrical Factor: 0.30
Total Factor: 0.29
BL Factor: 24.6 T . m
Effective Moving Mass: 182g
Equivalent Cas air load: 268 liters
Effective piston area: 0.122m2
Max. linear excursion (mathematical): 8.5 mm
Voice - coil inductance @ 1kHz: 2.4 mH
Half-space efficiency: 3.09%

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: 7.0 / 0.25 liters/ft3
Net Weight: 13 / 28.9 kg/lbs

SHIPPING INFORMATION

Shipping Weight: 13.7 / 30.4 kg/lbs

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Lean Business Audio is a Limited company registered in England and Wales. Registered number: 04991687.
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