• Year
  • 1952 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 282626

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 9770 /FM /M /X - Philips; Eindhoven tubes
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 210 x 210 x 100 mm / 8.3 x 8.3 x 3.9 inch
  • Notes
  • Impedance: 5 ohms

    Versions:

    • 9770
    • 9770FM
    • 9770M with double conus
    • 9770X
  • Author
  • Model page created by Edoardo Sigismondo. See "Data change" for further contributors.

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The model is part of the collections of the following members.

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