RCF High Power 18" Woofer w/ 4.5"Copper Voice Coil - LF18X451

RCFSKU: LF18X451

Price:
$ 699
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Description

Overview

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.   

Features:

  • 4.5 - inch fiberglas Inside/Outside copper voice coil 
  • 3600 Watt continuous program power handling 
  • 97 dB Sensitivity 
  • 30 Hz - 1 kHz Frequency range 
  • Dual Forced Hyperventing System 
  • Dual spider designed with silicon based damping control 
  • BL of 30.5 Txm to provide a faster and accurate low frequency  

Specifications:

  • NOMINAL DIAMETER: 18 inch
  • RATED IMPEDANCE: 8 ohm 
  • PROGRAM POWER: 3600 W 
  • POWER HANDLING CAPACITY: 1800 W 
  • SENSITIVITY: 97.0 dB 
  • FREQUENCY RANGE: 30 - 1000 Hz 
  • EFFECTIVE PISTON DIAMETER: 15.55 inch 
  • MAX. EXCURSION BEFORE DAMAGE: 2.13 inch
  • MINIMIM IMPEDANCE: 6.8 ohm 
  • VOICE COIL DIAMETER: 4.5 inch  
  • VOICE COIL WINDING MATERIAL: Copper
  • VOICE COIL LENGTH: 1.34 inch 
  • NUMBER OF LAYERS: 2 
  • KIND OF LAYERS: inside/outside 
  • TOP PLATE THICKNESS: 0.59 inch 
  • CONE DESIGN: Straight 
  • SURROUND MATERIAL: Polycotton 
  • SURROUND DESIGN: Triple roll 
  • MAGNETS: Ceramic 
  • DUAL-FORCE AIR VENTILATION: Yes 
  • SPIDER: Dual with silicon based damping control


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