4 inch Square Standard Loudspeaker AD4470 /Y4 /Y8 /Y15 /Y25

Philips; Eindhoven (tubes international!); Miniwatt

  • Year
  • 1973
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 312315

Click on the schematic thumbnail to request the schematic as a free document.

 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 AD4470 /Y4 /Y8 /Y15 /Y25 - Philips; Eindhoven tubes
  • Notes
  • Philips 4 inch Square Standard Loudspeaker type AD4470 /Y

    Available versions:

    • /Y4:     Z= 4 Ω @ 200 Hz
    • /Y8:     Z= 8 Ω @ 200 Hz
    • /Y15:   Z= 15 Ω @ 200 Hz
    • /Y25:   Z= 25 Ω @ 200 Hz

     

  • Net weight (2.2 lb = 1 kg)
  • 0.085 kg / 0 lb 3 oz (0.187 lb)
  • Mentioned in
  • -- Original-techn. papers. (Miniwatt Copresa "Altavoces" 1973)
  • Author
  • Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum