4 inch Square Standard Loudspeaker AD4490 /X8 /X15 /X400

Philips; Eindhoven (tubes international!); Miniwatt

  • Year
  • 1973
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 312320

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 4 inch Square Standard Loudspeaker AD4490 /X8 /X15 /X400 - Philips; Eindhoven tubes
  • Dimensions (WHD)
  • 105.2 x 105.2 x 37 mm / 4.1 x 4.1 x 1.5 inch
  • Notes
  • Philips 4 inch Square Standard Loudspeaker type AD4490 /X

    Available versions:

    • /X8:       Z= 8 Ω @ 190 Hz
    • /X15:     Z= 15 Ω @ 190 Hz
    • /X400:   Z= 400 Ω @ 190 Hz

     

  • Net weight (2.2 lb = 1 kg)
  • 0.125 kg / 0 lb 4.4 oz (0.275 lb)
  • Mentioned in
  • -- Original-techn. papers. (Miniwatt Copresa "Altavoces" 1973)
  • Author
  • Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

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