Electronics Gear- Electronics,Computer Sales and Service: Vifa NE123W-04 4" Full Range Woofer, Speakers, 264-1072

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. Specifications: *Power handling: 35 watts RMS/100 watts max *VCdia: 1-1/4" *Le: 0.04 mH *Impedance: 4 ohms *Re: 3.3 ohms *Frequency range: 60-8,000 Hz *Fs: 66 Hz *SPL: 88.2 2.83V/1m *Vas: 0.13 cu. ft. *Qms: 6.7 *Qes: 0.44 *Qts: 0.41 *Xmax: 3 mm *Dimensions: Overall diameter 4.85", Cutout diameter 3.75", Depth 2.85".

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
4 ohm nominal impedance

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