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RCF LF18G401 18" Woofer Speaker

Brand:|Model: LF18G401|Part # 294-888

RCF's LF18G401 is an 18" woofer with linear frequency response characteristics and very high power handling.
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List Price$645.00
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Part # 294-888
  • Remarkable linearity in its application range
  • 4" diameter inside/outside copper voice coil on fiberglass former
  • 1,800 watt continuous program power handling
  • 8.5 mm linear excursion, 50 mm peak to peak
  • Triple-roll surround and corrugated straight cone geometry
  • Ideal for high quality professional bass reflex and bass-horn systems

Product Details

RCF LF18G401 18" Woofer Speaker

RCF's LF18G401 is an 18" woofer with linear frequency response characteristics and very high power handling. It uses a fiber-loaded cone assembly along with a high excursion triple roll, constant geometry surround. This combination provides remarkable strength and 2" peak to peak maximum excursion before damage. The LF18G401 is ideal for use in applications where incredible power handling, long excursion, and perfect control are required. The robust mechanical design and optimized weight of the device make it desirable for use in fixed installation or portable professional loudspeaker systems.

Product Specifications
  • Nominal Diameter18"
  • Power Handling (RMS)900 Watts
  • Power Handling (max)1800 Watts
  • Impedance8 ohms
  • Frequency Response30 to 1,000 Hz
  • Sensitivity98 dB 2.83V/1m
  • Voice Coil Diameter4"
Thiele-Small Parameters
  • Resonant Frequency (Fs)33 Hz
  • DC Resistance (Re)4.8 ohms
  • Voice Coil Inductance (Le)2.4 mH
  • Mechanical Q (Qms)7.6
  • Electromagnetic Q (Qes)0.3
  • Total Q (Qts)0.29
  • Compliance Equivalent Volume (Vas)9.46 ft.³
  • BL Product (BL)24.6 Tm
  • Diaphragm Mass Inc. Airload (Mms)182g
  • Maximum Linear Excursion (Xmax)8.5 mm
  • Surface Area of Cone (Sd)1220 cm²
Materials of Construction
  • Cone MaterialPaper / Carbon Fiber
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerFiberglass
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter18.3"
  • Baffle Cutout Diameter16.7"
  • Depth8.1"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume1.36 ft.³
  • Sealed F391 Hz
  • Vented Volume2.7 ft.³
  • Vented F358 Hz
RCF LF18G401 18" Woofer Speaker
  • BrandRCF USA
  • ModelLF18G401
  • Part Number294-888
  • UPC844632090240
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight30.4 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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