• Country
• Germany

• Manufacturer / Brand
• Messgerätewerk Zwönitz, VEB; Zwönitz (Ostd.)

• Year
• 1980 ?

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 199930

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

• Number of Transistors
• 2

• Semiconductors
• SC239 SC239 A290D

• Wave bands
• - without

• 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 SD2.5 - Messgerätewerk Zwönitz, VEB;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 110 x 55 x 28 mm / 4.3 x 2.2 x 1.1 inch

• Notes
• Weiterentwicklung der Baureihe Stereodecoder SD2, jetzt mit Schaltkreis A290D und ohne Filter. Variante SD2.5 ist mit Minuspol an Masse, SD2.6 Pluspol an Masse, SD2.7 erfüllt HiFi-Norm.
  Entwickelt 1978/79 im VEB Tonfunk Ermsleben.

• Net weight (2.2 lb = 1 kg)
• 0.035 kg / 0 lb 1.2 oz (0.077 lb)

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

• Other Models

• Here you find 70 models, 62 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Messgerätewerk Zwönitz, VEB; Zwönitz (Ostd.)