• Country
• Germany

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

• Year
• 1974

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

• Radiomuseum.org ID
• 172968

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

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: CD-4 Demodulator mit Netzgerät - Grundig Radio-Vertrieb, RVF,

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Zusatzgerät mit eingebautem Netzgerät zum Anschluss z.B. für Grundig Studio 2240 HiFi Quadro zur Demodulation von Quadrosignalen aus einem speziellen CD-4 Tonabnehmersystem.

• Literature/Schematics (1)
• -- Original-techn. papers.

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

• Other Models

• Here you find 6196 models, 5420 with images and 4191 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke)