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Vifa NE149W-04 5-1/4" Full Range Woofer

Brand:| Model: NE149W-04
Overview
Vifa's NE Series full-range drivers feature an innovative sculpted, open cast aluminum basket design that minimizes internal acoustic reflections and acts as the neodymium motor's heatsink.
Highlights
  • Cast aluminum frame acts as a heatsink
  • Sculpted design promotes cooling and reduces reflections
  • High-strength compact neodymium motor
  • Coated natural wood fiber cone with half-roll rubber surround
  • Pentacone cone technology for improved frequency response
  • Long-throw voice coil on titanium former
  • Copper pole piece cap for extended HF response
Part # 
264-1082
Weight: 1.65 lbs.  
IN STOCK
List Price$160.99
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Part # 264-1082
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Product Details

Vifa NE149W-04 5-1/4" Full Range Woofer

Vifa's NE Series full-range drivers feature an innovative sculpted, open cast aluminum basket design that minimizes internal acoustic reflections and acts as the neodymium motor's heatsink. An additional heatsink provides extra thermal dissipation. The cone is constructed of a coated natural wood fiber, with a butyl rubber surround designed by finite element analysis for linearity of performance. FEA techniques also contribute to the motor's copper cap, which reduces inductance and extends high frequency performance.



Product Specifications
  • Nominal Diameter5-1/4"
  • Power Handling (RMS)35 Watts
  • Power Handling (max)100 Watts
  • Impedance4 ohms
  • Frequency Response50 to 5,000 Hz
  • Sensitivity89.1 dB 2.83V/1m
  • Voice Coil Diameter1.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)52 Hz
  • DC Resistance (Re)3.4 ohms
  • Voice Coil Inductance (Le)0.07 mH
  • Mechanical Q (Qms)9.6
  • Electromagnetic Q (Qes)0.35
  • Total Q (Qts)0.33
  • Compliance Equivalent Volume (Vas)0.31 ft.³
  • Mechanical Compliance of Suspension (Cms)0.9 mm/N
  • BL Product (BL)5.83 Tm
  • Diaphragm Mass Inc. Airload (Mms)10.48g
  • Maximum Linear Excursion (Xmax)5 mm
  • Surface Area of Cone (Sd)83.3 cm²
Materials of Construction
  • Cone MaterialWood Fiber
  • Voice Coil FormerTitanium
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter5.86"
  • Baffle Cutout Diameter4.65"
  • Depth3.42"
  • # Mounting Holes5
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.05 ft.³
  • Sealed F3135 Hz
  • Vented Volume0.12 ft.³
  • Vented F382 Hz
Vifa NE149W-04 5-1/4" Full Range Woofer
  • BrandVifa
  • ModelNE149W-04
  • Part Number264-1082
  • UPC844632084027
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (1 Reviews)
  • Weight1.65 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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Reviews

Vifa NE149W-04 5-1/4" Full Range Woofer
Vifa NE149W-04 5-1/4" Full Range Woofer is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from mid range replacementI used these drivers to replace the midranges in an old pair of Infinity Kappa 6.1s. With just a little modification to the cut-outs they went right in. All I can say is they sound phenomenal. Very impressive.
Date published: 2012-04-23

Product Q&A

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Vifa NE149W-04 5-1/4" Full Range Woofer

How many are included? One?

Asked by: ChiefCherry
one
Answered by: MarkAJH
Date published: 2012-05-30

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