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RCF LF18N405 18" 1500W 8 Ohm Neodymium Loudspeaker Driver

Product Code: RCFLF18N405 Brand: RCF Model: LF18N405
RCF LF18N405 18 inch 1500W 8 Ohm Neodymium Loudspeaker Driver
£271.28
£271.28 ex VAT
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Quantity Discounts
2-3£267.21 ea.
4-7£264.50 ea.
8+£260.43 ea.
Usually available in <br>6-8 weeks
Usually available in
6-8 weeks
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RCF LF18N405 18" 1500W 8 Ohm Neodymium Loudspeaker Driver

The LF18N405 is an extended low frequency with high power handling , designed to provide powerful and accurate bass frequencies with low distortion, low power compression and very high SPL. The LF18N405 uses a fibre loaded cone assembly along a large triple roll surround, this combination provides remarkable strength and control. The single spider system is specifically designed with a heavy cloth which ensures excellent control during large excursions. A fully optimised T-pole design generates the minimum amount of flux modulation. The Dual-forced air venting magnetic structure system provides a very efficient voice coil ventilation to minimize the power compression.

GENERAL SPECIFICATIONS:

  • Nominal Diameter:460/18 mm/inch
  • Rated Impedance:8 ohms
  • Program Power:3000 W AES
  • Power handling capacity:1500 W AES
  • Sensitivity:97 dB
  • Frequency Range:25 Hz - 1000 Hz
  • Effective Piston Diameter:395/15.6 mm/inch
  • Max Excursion Before Damage (peak to peak):58/2.28 mm/inch
  • Minimum Impedance:6.0 ohms
  • Voice Coil Diameter:100/4.0 mm/inch
  • Voice Coil Material:Copper
  • Voice Coil Winding Depth:36/1.41 mm/inch
  • Number of layers:2
  • Kind of layer:inside/ouside
  • Top Plate Thickness:15/0.6 mm/inch
  • Cone Material:No pressed pulp
  • Cone Design:Curved
  • Surround Material:Polycotton
  • Surround Design:Triple roll


THIELE/SMALL PARAMETERS:

  • Resonance frequency:30 Hz
  • DC resistance:4.9 ohms
  • Mechanical factor:7.0
  • Electrical factor:0.34
  • Total factor:0.32
  • BL Factor:26.5 T · m
  • Effective Moving Mass:261 g
  • Equivalent Cas air load:227 liters
  • Effective piston area:0.122 m²
  • Max. linear excursion (mathematical):14.2 mm
  • Voice - coil inductance @ 1kHz:1.7 mH
  • Half-space efficiency:1.70%

MOUNTING INFORMATION:

  • Overall Diameter:465/18.3 mm/inch
  • Bolt Circle Diameter:442-447/17.4-17.6 mm/inch
  • Bolt Hole Diameter:6.5/0.25 mm/inch
  • Front Mount Baffle Cut-out:424/16.7 mm/inch
  • Rear Mount Baffle Cut-out:425/16.7 mm/inch
  • Depth:190/7.48 mm/inch
  • Volume occupied by the driver:5.5/0.19 liters/ft³
  • Net Weight:8.8/19 kg/lbs
  • Shipping weight:10/22 kg/lbs
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