RCF LF18N451 18-Inch 3000 Watt Subwoofer

RCFSKU: LF18N451

Price:
$ 699
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Description

Overview

The RCF LF18N451 is a high-power, 18-inch subwoofer designed to deliver accurate and powerful sub-bass frequencies with minimal distortion. Engineered for professional audio applications, this subwoofer features a 4.5-inch inside/outside copper voice coil and a fibre-loaded cone assembly. Its advanced design includes dual-forced air ventilation and a triple roll surround, ensuring high efficiency and reliable performance. The LF18N451 is ideal for use in touring, large venues, and any setup requiring robust low-frequency output.

Features:

  • 18-inch low-frequency transducer
  • 3000 watts continuous program power handling
  • 4.5-inch inside/outside copper voice coil
  • 97.5 dB sensitivity
  • Frequency range: 30 Hz - 1 kHz
  • Dual-forced air ventilation for minimal power compression
  • Dual spider with silicon-based damping control
  • BL factor of 30.2 T x m for fast and accurate low frequencies

Specifications:

  • Nominal Diameter: 18 inches / 457 mm
  • Rated Impedance: 8 ohms
  • Program Power: 3000 watts
  • Power Handling Capacity: 1500 watts
  • Sensitivity: 97.5 dB
  • Frequency Range: 30 Hz - 1000 Hz
  • Effective Piston Diameter: 395 mm / 15.55 inches
  • Max Excursion Before Damage: 60 mm / 2.36 inches
  • Minimum Impedance: 6.3 ohms
  • Voice Coil Diameter: 114 mm / 4.5 inches
  • Voice Coil Length: 26 mm / 1.02 inches
  • Number of Layers: 2
  • Cone Design: Curved
  • Surround Design: Triple roll
  • Resonance Frequency (Fs): 31 Hz
  • DC Resistance (Re): 5.00 ohms
  • Mechanical Factor (Qms): 6.00
  • Electrical Factor (Qes): 0.25
  • Total Factor (Qts): 0.24
  • BL Factor (Bl): 30.20 T x m
  • Effective Moving Mass (Mms): 235 g
  • Equivalent Cas Air Loaded (Vas): 245 liters
  • Effective Piston Area (Sd): 0.120 m²
  • Max Linear Excursion (Xmax): 9 mm
  • Voice Coil Inductance @ 1kHz (Le1k): 2.60 mH
  • Half-Space Efficiency (Eff): 2.54%

Mounting Information:

  • Overall Diameter: 465 mm / 18.31 inches
  • Bolt Circle Diameter: 442-447 mm / 17.4-17.6 inches
  • Bolt Hole Diameter: 7 mm / 0.28 inches
  • Front Mount Baffle Cut-out: 424 mm / 16.69 inches
  • Rear Mount Baffle Cut-out: 425 mm / 16.73 inches
  • Volume Occupied by the Driver: 5.5 liters / 0.22 ft³

Size and Weight:

  • Height: 223 mm / 8.78 inches
  • Diameter: 465 mm / 18.31 inches
  • Weight: 10.5 kg / 23.15 lbs

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