• Year
  • 1956 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 228700
    • Brand: Supraphon

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20.3 cm = 8 inch
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: ARO 689 - Tesla; Praha, Bratislava etc.
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Impedanz 4 Ohm, input: 5 Watt, Übertragungsbereich: 60...10000 Hz 
    Empfindlichkeit: 95 dB, benutzerdefinierte Resonanz: 60 ...90 Hz.

  • Net weight (2.2 lb = 1 kg)
  • 0.450 kg / 0 lb 15.9 oz (0.991 lb)
  • Author
  • Model page created by Wolfgang Lill. 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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