RCF L18P400 - 18 inch 1000W 8 Ohm Loudspeaker
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RCF
RCF L18P400 - 18" 1000W 8 Ohm Loudspeaker

 
Product Code: RCFL18P400 | Brand: RCF
RCF L18P400 - 18 inch 1000W 8 Ohm Loudspeaker

RCF L18P400 - 18 inch 1000W 8 Ohm Loudspeaker RCF L18P400 - 18 inch 1000W 8 Ohm Loudspeaker 
£279.16
£232.63 ex VAT
2-3 £274.97 ea.4-7 £272.18 ea.8+ £267.99 ea.
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£8.95 DELIVERY to mainland UK.
RCF L18P400 - 18" 1000W 8 Ohm Loudspeaker

Incredibly linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 18-inch transducer wtihin its application range.

The L18P400 uses a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround.
A fully optimised T-pole design generate the minimum amount of flux modulation.
The T-pole also features RCF Precision's spaced gap demodulation technology, progressively braking the voice coil, providing a much smoother transition for the moving mass as it reaches its maximum excursion limits. Forced air venting system.


Applications:

The L18P400 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 transducers low frequency extension, coupled with its extremely low generation of harmonic distortion,also makes it ideal for use within critical listening applications such as studio monitoring subwoofer system.

Main Features:

  • 4-inch, fiberglass inside/outside copper voice coil
  • 2000W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz - 1 kHz Frequency range
  • Aluminum demodulation ring
  • Forced air ventilation and 15mm top plate for minimum power compression
  • Dual spider design with silicon based dampening control
  • Triple roll surround and corrugated straight cone geometry

General Specifications


  • Nominal Diameter: 460 mm / 18 inch
  • Rated Impedance: 8 O
  • Program Power: 2000 W AES
  • Power handling capacity: 1000 W AES
  • Sensitivity: 97.5 dB
  • Frequency Range: 25 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: 6.5 O
  • Voice Coil Diameter: 100 mm / 4 inch
  • Voice Coil Material: Copper
  • Voice Coil Winding Depth: 25 mm / 1.0 inch
  • Number of layers: 2
  • Kind of layer: inside / outside
  • Top Plate Thickness: 15 mm / 0.6 inch
  • Cone Material: No pressed pulp
  • Cone Design: Straight
  • Surround Material: Polycotton
  • Surround Design: Triple roll

Thiele/Small Parameters


  • Resonance frequency: 29 Hz
  • DC resistance: 5.1 O
  • Mechanical factor: 7.6
  • Electrical factor: 0.29
  • Total factor: 0.28
  • BL Factor: 24.6 T · m
  • Effective Moving Mass: 200 g
  • Equivalent Cas air load: 340 liters
  • Effettive piston area: 0.122 m²
  • Max. linear excursion (mathematical): 8.8 mm
  • Voice - coil inductance @ 1kHz: 2.5 mH
  • Half-space efficiency: 2.63%

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: 205 / 8.1 inch
  • Volume occupied by the driver: 6.0 litres / 0.21 ft³
  • Net Weight: 13.3 kgs / 29.3 lbs
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