• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 129314

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

• Number of Transistors
• 8

• Semiconductors
• 2N247 2N247 2N247 OC71 OC71 OC72 OC72 2N247 OA5

• Main principle
• Superheterodyne (common); ZF/IF 10700 kHz; 3 AF stage(s)

• Tuned circuits
• 8 FM circuit(s)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Storage and/or dry batteries / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.3 W (unknown quality)

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Prototyp UKW-Transistorradio - Graetz, Altena Westfalen

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• Prototyp UKW-Transistorradio, vorgestellt im Sommer 1957 in der Fachpresse - auch in der "Funk-Technik" 15/1957 auf Seite 506.

• Source of data
• Funk-Technik (FT)

• Literature/Schematics (1)
• Graetz Nachrichten Nr. 15

• Author
• Model page created by Jens Dehne. See "Data change" for further contributors.

• Other Models

• Here you find 777 models, 697 with images and 596 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)