RCF LF18X451 18" WOOFER 3600 Watts 8-Ohm 18" Replacement Pro Audio Subwoofer

RCF LF18X451 18" WOOFER 3600 Watts 8-Ohm 18" Replacement Pro Audio Subwoofer

RCF

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RCF LF18X451 T.C.
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RCF LF18X451 18" WOOFER 3600 Watts 8-Ohm Replacement Subwoofer

  • THE RCF LF18X451 18" WOOFER IS A VERY POWERFUL WOOFER WITH A VERY LINEAR FREQUENCY RESPONSE

  • HANDLES A 1,800 WATTS AES, 3,600 WATTS PROGRAM POWER HANDLING

  • VERY HIGH 13.5MM XMAX, 54MM PEAK TO PEAK EXCURSION & A HIGH BL FACTOR OF 30.5T-M FOR A STRONG CONTROLLED DEEP BASS

  • DUAL FORCED HYPER VENTING & A THICK 15.0MM TOP PLATE FOR LOW POWER COMPRESSION LOSS

  • 4.5" INSIDE/OUTSIDE COPPER VOICE COIL FOR INCREASED DURABILITY

  • WORKS WELL IN HORN LOADED OR PORTED SPEAKER CABINET DESIGNS

  • THE RCF LF18X451 IS IDEAL FOR TOURING APPLICATIONS THAT REQUIRE A HEAVY DUTY HIGH POWER SUBWOOFER WITH A SUPER STRONG MOTOR STRUCTURE

SPECIFICATIONS

Nominal Basket Diameter

  • 18" / 460mm

Impedance

  • 8 ohms

AES Power Rating

  • 1,800 Watts
Program Power
  • 3,600 Watts

Frequency Response

  • 30Hz - 1.0kHz

Sensitivity (1W/1m)

  • 97.5dB

Voice Coil Diameter

  • 4.5" / 115mm
Max. Excursion Before Damage
  • 2.12" / 54mm
Voice Coil Winding Depth
  • 1.33" / 34mm
Top Plate Thickness
  • .6" / 15mm
Number Of Layers
  • 2

MATERIALS

Voice Coil Material
  • Copper
Cone Material
  • No Pressed Pulp
Cone Design
  • Straight
Surround Material
  • Polycotton
Surround Design
  • Triple Roll
Magnet
  • Ferrite

MOUNTING INFORMATION

Overall Diameter

  • 18.3" / 465mm
Bolt Circle Diameter
  • 17.4"-17.6"" / 442-447mm
Baffle Cutout Diameter
  • 16.7" / 424mm
No. Of Mounting Holes
  • 8
Mounting Hole Diameter
  • 0.26" / 6.5mm
Overall Depth
  • 7.63" / 194mm
Flange Thickness
  • .55" / 14mm
Volume Displaced By Driver
  • 6.5 Liters / .23ft^3
Net Weight
  • 15.2 kg. / 33.4 lbs.
Shipping Weight
  • 16.2 kg. / 35.5 lbs.

THIELE-SMALL PARAMETERS

Resonant Frequency (fs)
  • 30 Hz
Impedance (Re)
  • 5.4 ohms
Coil Inductance (Le)
  • 2.9mH
Electromagnetic Q (Qes)
  • .29
Mechanical Q (Qms)
  • 6.7
Total Q (Qts)
  • .28
Compliance Equivalent Vol. (Vas)
  • 220 Liters/7.77cu. ft.
Voice Coil Overhang (Xmax)
  • 13.5mm
BL Factor (BL)
  • 30.5T-M
Effective Moving Mass (Mms)
  • 260 grams
Surface Area of Cone(Sd)
  • .122 m2
Reference Efficiency
  • 1.9%
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