RCF LF12N401 12" Neodymium Woofer Speaker

Brand:| Model: LF12N401
RCF's LF12N451 woofer is designed for reliable, linear performance with very low distortion.
  • Specially designed for concert touring systems
  • Strong, lightweight neodymium magnetic structure
  • 4" diameter inside/outside copper voice coil on fiberglass former
  • 1,600 watt continuous program power handling
  • Dual-forced air ventilation for minimum power compression
  • Straight-sided smooth cone geometry and single spider design
  • Perfect for professional bass reflex and horn-loaded systems
Part # 
Weight: 21.05 lbs.  
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Part # 294-854
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Product Details

RCF LF12N401 12" Neodymium Woofer Speaker

RCF's LF12N451 woofer is designed for reliable, linear performance with very low distortion. The same neodymium magnetic structure and 4" voice coil configuration as the LF18N401 18" transducer provides high power handling and output. A unique dual-forced air venting system promotes efficient voice coil ventilation to minimize power compression and maximize power handling. The LF12N401 is ideal for use in pro applications that require superior low frequency output in a very small cabinet volume.

Product Specifications
  • Nominal Diameter12"
  • Power Handling (RMS)800 Watts
  • Power Handling (max)1600 Watts
  • Impedance8 ohms
  • Frequency Response45 to 2,000 Hz
  • Sensitivity96 dB 2.83V/1m
  • Voice Coil Diameter4"
Thiele-Small Parameters
  • Resonant Frequency (Fs)48 Hz
  • DC Resistance (Re)5.5 ohms
  • Voice Coil Inductance (Le)1.7 mH
  • Mechanical Q (Qms)9.1
  • Electromagnetic Q (Qes)0.21
  • Total Q (Qts)0.2
  • Compliance Equivalent Volume (Vas)1.77 ft.³
  • BL Product (BL)26 Tm
  • Diaphragm Mass Inc. Airload (Mms)78g
  • Maximum Linear Excursion (Xmax)7.3 mm
  • Surface Area of Cone (Sd)530 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerFiberglass
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter12.6"
  • Baffle Cutout Diameter11.5"
  • Depth5.5"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.1 ft.³
  • Sealed F3235 Hz
  • Vented Volume0.2 ft.³
  • Vented F3156 Hz
RCF LF12N401 12" Neodymium Woofer Speaker
  • BrandRCF USA
  • ModelLF12N401
  • Part Number294-854
  • UPC844632090073
  • Product CategoryWoofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight21.05 lbs.
  • California Prop 65

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

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RCF LF12N401 12" Neodymium Woofer Speaker

Product Q&A

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RCF LF12N401 12" Neodymium Woofer Speaker

Has anyone horn loaded one of these?

Might be a candidate for a 3way high-mid pack capable of doubling as a full range stand alone Bi orTri-amp
Asked by: PA Steve
I've not personally used one in a horn-loaded configuration, however, the specifications are quite suitable for that sort of thing. Your question will remain here, and hopefully someone who has tried it will eventually chime in with their experience.
Answered by: RussR
Date published: 2011-05-27

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