RCF WOOFER. LF18X400
466,90 Add to cart

RCF WOOFER. LF18X400

466,90

Brand: RCF
Article number: LF18X400

  • 4-inch, fiberglass inside/outside copper voice coil
  • 2000W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz – 1 kHz Frequency range
  • 4-inch, fiberglass inside/outside copper voice coil
  • 2000W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz – 1 kHz Frequency range
  • Progressive, spaced, aluminum demodulation rings
  • Forced air ventilation and 14 mm top plate for minimum power compression
  • Dual spider design with silicon based dampening control
  • Triple roll surround and corrugated straight cone geometry
Incredibly linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 18-inch transducer within its application range. The LF18X400 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.

  • General specifications
    • Nominal Diameter: 18 inch / 457 mm
    • Rated Impedance: 8 ohm
    • Program Power: 2000 W
    • Power handling capacity: 1000 W
    • Sensitivity: 97.5 dB
    • Frequency range: 25 – 1000 Hz
    • Effective piston diameter: 395 mm / 15.55 inch
    • Max. Excursion Before Damage: 50 mm / 1.97 inch
    • Minimim Impedance: 6.0 ohm
    • Voice Coil Diameter: 4.0 inch / 102 mm
    • Voice Coil Winding Material: Copper
    • Voice Coil Length: 25 mm / 0.98 inch
    • Number of layers: 2
    • Kind of layers: inside/outside
    • Top Plate Thickness: 14 mm / 0.55 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

  • Thiele – small parameters
    • Resonance frequency (Fs): 28 Hz
    • DC resistance (Re): 5.10 ohm
    • Mechanical factor: 6.50 Qms
    • Electrical factor (Qes): 0.29 Qes
    • Total factor: 0.27 Qts
    • BL factor (BL): 25.00 T x m
    • Effective moving mass (Mms): 192.0 g
    • Equivalent Cas air loaded (Vas): 340.0 liters
    • Effettive piston area (Sd): 0.120 m2
    • Max. linear excursion (Xmax): 9.0 mm
    • Voice coil inductance @ 1kHz (Le1k): 1.20 mH
    • Half-space efficency (Eff): 2.64%

  • Mounting Information
    • Overall diameter: 465 mm / 18.31 inches
    • Bolt circle diameter: 442-447 mm / 17.4-17.6 inch
    • Bolt hole diameter: 7 mm / 0.28 inch
    • Front mount baffle cut-out: 424 mm / 16.69 inch
    • Rear mount baffle cut-out: 424 mm / 16.69 inch
    • Volume occupied by the driver: 7 liters / 0.28 ft3

  • Standard compliance
    • CE marking: Yes

  • Size
    • Weight: 13.3 kg / 29.32 lbs
    • Height: 228 mm / 8.98 inches
    • Diameter: 465 mm / 18.31 inches

  • Shipping informations
    • Package Width: 500 mm / 19.69 inches
    • Package Weight: 15.6 kg / 34.39 lbs
    • Package Height: 270 mm / 10.63 inches
    • Package Depth: 510 mm / 20.08 inches

Additional information

Weight1506.21 kg
Dimensions510 × 500 × 270 cm
Brand

Nominal Diameter

18 inch / 457 mm

Rated Impedance

8 ohm

Program Power

2000 W

Power handling capacity

1000 W

Sensitivity

97.5 dB

Frequency Range

25 – 1000 Hz

Effective Piston Diameter

395 mm / 15.55 inch

Max Excursion Before Damage

50 mm / 1.97 inch

Minimim Impedance

Voice coil diameter

Voice Coil Winding Material

Voice Coil Length

Number of layers

Kind of layers

Top Plate Thickness

Cone Design

Surround Material

Surround Design

Magnets

Dual-force air ventilation

Spider

Resonance frequency (Fs)

DC resistance (Re)

Mechanical factor

Electrical factor (Qes)

Total factor

BL factor (BL)

Effective moving mass (Mms)

Equivalent Cas air loaded (Vas)

Effettive piston area (Sd)

Max. linear excursion (Xmax)

Half-space efficency (Eff)

Overall diameter

Bolt circle diameter

Bolt hole diameter

Front mount baffle cut-out

Rear mount baffle cut-out

Volume occupied by the driver

CE marking

Weight

Height

Diameter

Package Width

Package Weight

Package Height

Package Depth