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RCF L18P400 18" Woofer Speaker

Brand:| Model: L18P400
Overview
Successor to the legendary RCF L18P300,the L18P400 subwoofer speaker is intended for use in applications where incredible power handling, long excursion, and perfect control are required. It is ideal for high quality professional bass reflex and bass-horn speaker systems.
Highlights
  • High BL low frequency driver with deep, punchy bass
  • 4" diameter inside/outside copper voice coil on fiberglass former
  • 2,000 watt continuous program power handling
  • Forced air ventilation and 15 mm top plate for minimum power compression
  • Dual spider design with silicon-based damping control
  • Triple roll surround and corrugated straight cone geometry
  • Good sensitivity, low distortion, extraordinary definition
Part # 
294-886
Weight: 34.3 lbs.  
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Part # 294-886
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Product Details

RCF L18P400 18" Woofer Speaker

Successor to the legendary RCF L18P300, L18P400 subwoofer speaker features incredibly linear frequency response characteristics and extreme high power handling while generating the lowest harmonic distortion of any comparable 18" transducer within its application range. The L18P400 uses a fiber-loaded cone assembly along with a high excursion triple roll, constant geometry surround. A fully optimized T-pole design generates the minimum amount of flux modulation. The T-pole also features RCF Precision's spaced gap demodulation technology, which progressively brakes the voice coil, thereby providing a much smoother transition for the moving mass as it reaches its maximum excursion limits. Also included is a forced air venting system for reduced power compression. Ideal for high quality professional bass reflex and bass-horn systems, the L18P400 is a popular replacement driver for EAW, Yorkville, Sonic, Martin Audio, and other subwoofer speaker systems.



Product Specifications
  • Nominal Diameter18"
  • Power Handling (RMS)1000 Watts
  • Power Handling (max)2000 Watts
  • Impedance8 ohms
  • Frequency Response25 to 1,000 Hz
  • Sensitivity97.5 dB 2.83V/1m
  • Voice Coil Diameter4"
Thiele-Small Parameters
  • Resonant Frequency (Fs)29 Hz
  • DC Resistance (Re)5.1 ohms
  • Voice Coil Inductance (Le)2.5 mH
  • Mechanical Q (Qms)7.6
  • Electromagnetic Q (Qes)0.29
  • Total Q (Qts)0.28
  • Compliance Equivalent Volume (Vas)12.01 ft.³
  • BL Product (BL)24.6 Tm
  • Diaphragm Mass Inc. Airload (Mms)200g
  • Maximum Linear Excursion (Xmax)8.8 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 Volume2.93 ft.³
  • Sealed F353 Hz
  • Vented Volume3.19 ft.³
  • Vented F352 Hz
RCF L18P400 18" Woofer Speaker
  • BrandRCF USA
  • ModelL18P400
  • Part Number294-886
  • UPC844632090233
  • Product CategoryWoofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight34.3 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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RCF L18P400 18" Woofer Speaker

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RCF L18P400 18" Woofer Speaker

High end car audio?

Was thinking to use this in a 3-4 cubic foot ported box in my jeep with around 500w rms. Frequency range looks good. I know this is for pro audio just wondering if I will get good results? I can go larger with the box if needed.
Asked by: JayS.
We are starting to see more PA woofers used in auto applications. They are more efficient and if you can make the cabinet size work in the vehicle, they will produce very loud systems.
Answered by: Chrisf
Date published: 2013-01-28

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