• Year
  • 1975–1981
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 199869
    • Brand: Walter Radio (Ostd.)

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

 Technical Specifications

  • Number of Transistors
  • 4
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Stereodecoder SD2.2 - Tonfunk; Ermsleben/Harz; PGH
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Weiterentwicklung des SD1. für Geräte mit Pluspol an Masse. Variante SD2.1 Minuspol an Masse kann SD1 ersetzen, SD2.3 entspricht HiFi-Norm.
    Ab 1977 im Messgerätewerk Zwönitz gefertigt.
  • Author
  • Model page created by Jürgen Tiedmann. See "Data change" for further contributors.

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