RCF LF18X451 - 18 inch 1800W 8 Ohm
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RCF
RCF LF18X451 - 18" 1800W 8 Ohm
SPL: 95.4 1W/1m Fs: 30 Hz Xmax: 13.5mm
 
Product Code: RCFLF18X451 | Brand: RCF
RCF LF18X451 - 18 inch 1800W 8 Ohm

RCF LF18X451 - 18 inch 1800W 8 Ohm RCF LF18X451 - 18 inch 1800W 8 Ohm 
£399.00
£332.50 ex VAT
2-3 £392.70 ea.4-7 £388.71 ea.8+ £382.73 ea.
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£5.52 DELIVERY to mainland UK.
RCF LF18X451 - 18" 1800W 8 Ohm

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

The LF18X451 features a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround: this combination provides remarkable strength and a peak to peak maximum excursion of 54 mm. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling. A double silicon spider system ensures excellent control during large excursions. A fully optimised T-pole design generate the minimum amount of flux modulation.

The LF18X451 is ideal in applications where combinations of incredible power handling, reasonable weight and ultra fast time response are required. Perfect for powerful lows in horn loaded sub bass systems or reflex designs.

Specifications:

  • Nominal Diameter: 460 mm / 18 inch
  • Rated Impedance: 8 Ohms
  • Program Power: 3600 W AES
  • Power handling capacity: 1800 W AES
  • Sensitivity: 97 dB
  • Frequency Range: 30 Hz - 1000 Hz
  • Effective Piston Diameter: 395 mm / 15.6 inch
  • Max Excursion Before Damage (peak to peak): 54mm
  • Minimum Impedance: 6.8 Ohms
  • Voice Coil Diameter: 115 mm / 4.5 inch
  • Voice Coil Material: Copper
  • Voice Coil Winding Depth: 34 mm / 1.33 inch
  • Number of layers: 2
  • Kind of layer: inside / outside
  • Top Plate Thickness: 15 mm / 0.6 inch
  • Cone Material: No presed pulp
  • Cone Design: Straight
  • Surround Material: Polycotton
  • Surround Design: Triple roll
  • Magnets: Ferrite


Thiele/Small Parameters:

  • Resonance frequency: 30 Hz
  • DC resistance: 5.4 Ohms
  • Mechanical factor: 6.7
  • Electrical factor: 0.29
  • Total factor: 0.28
  • BL Factor: 30.5 T %uFFFD m
  • Effective Moving Mass: 260 g
  • Equivalent Cas air load: 220 litres
  • Effective piston area: 0.122 m%uFFFD
  • Max. linear excursion (mathematical): 13.5 mm
  • Voice - coil inductance @ 1kHz: 1.4 mH
  • Half-space efficiency: 1.90%


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 / 0.25 inch
  • Front Mount Baffle Cut-out: 424 mm / 16.7 inch
  • Rear Mount Baffle Cut-out: 424 mm / 16.7 inch
  • Depth: 194 mm / 7.63 inch
  • Volume occupied by the driver: 6.5 litres / 0.23 cu ft
  • Net Weight: 15.2 kg / 33.4 lbs
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