• Country
• Germany

• Manufacturer / Brand
• Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern

• Year
• 1963

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

• Radiomuseum.org ID
• 221008

• • alternative name: Grundig Portugal || Grundig USA / Lextronix

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

• Number of Tubes
• 1

• Valves / Tubes
• ECC81

• Number of Transistors

• Semiconductors
• OA81

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / AC 6,3 & DC 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Decoder 4U - Grundig Radio-Vertrieb, RVF,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 175 x 75 x 63 mm / 6.9 x 3 x 2.5 inch

• Notes
• Der Grundig Stereo-Decoder 4U ist die Exportausführung des Modells Stereo-Decoder 4 für Nordamerika.
  Unterschied: Andere Dimensionierung der HF-Deemphasis im Hilfsträgerkanal für 75 µs, vergleiche die bei den Modellen liegenden Schaltpläne.
  6 Dioden OA81.

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• Other Models

• Here you find 6208 models, 5434 with images and 4203 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern