Vifa NE123-W-04

€90.89 *

Prices incl. VAT plus shipping costs

Delivery time 1-2 Workdays

  • 7235145
NE123W-04 4" Fullrange The Vifa NE product line has leading-edge transducer technology... more
Product information "Vifa NE123-W-04"

NE123W-04 4" Fullrange

The Vifa NE product line has leading-edge transducer technology packaged in a cutting edge, stylistic design. The tweeters in this product line finite element analysis designed Neodymium-Iron-Boron magnet (NdFeB) motors, with copper caps for extended frequency response and reduced distortion. The aluminium rear chambers offer extended low frequency performance, while doubling as heat sinking. The butterfly supporting the tweeter diaphragm is made of a high temperature plastic, consistent with the product's high temperature performance rating, and features supporting terminals. The dome material in this design is titanium, and the design has been optimized for sound quality and clarity. Rounding out the design is an aluminium face plate and plastic grille, which offers protection for the tweeter diaphragm.



  • DC Resistance
Re 3,3 Ohm
  • Minimum impedance
Re 3,8 ohm
  • Voice Coil Inductance
Le 0,04 mH
  • Resonance Frequency
Fs 66 Hz
  • Mechanical Q Factor
Qms 6,7
  • Electrical Q Factor
Qes 0,44
  • Total Q Factor
Qts 0,41
  • Ratio Fs/Qts
  • Half Space Sens. @ 2.83 V
2.83V/1m 88,2 dB
  • Noise Power(IEC 2685 18.1) 
P = 35 Watt
  • Test Spectrum Bandwith
60 Hz - 8000 Hz 12 dB/Oct
  • Energy Bandwith Product
EBP (1/Qes).Fs  150 
  • Moving Mass
Mms 6,20 gram
  • Suspension Compliance
Cms 926,3 um/N
  • Effective Cone Diameter
D 8,3 cm
  • Effective Piston Area
Sd 54,1 cm2
  • Equivalent Volume
Vas 3,81 Liter
  • Motor Force Factor
BL 4,40 T.m
  • Motor Efficiency Factor
Beta 5,87 (T.m2)/Ohm
  • Voice Coil Former Material 
  • Voice Coil Inner Diameter
32,4 mm
  • Maxium Linear Excursion
Xmax 3 mm


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