• Country
• Germany

• Manufacturer / Brand
• Körting-Radio; Leipzig, später Grassau

• Year
• 1961

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 132435

• • alternative name: Dietz & Ritter GmbH, Dr.

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

• Number of Transistors
• 8

• Semiconductors
• OC615 OC615 AF105 OC615 OC603blau AC106 TF78/30 TF78/30 OA172 OA172 OA174

• Main principle
• Superheterodyne (common); ZF/IF 472/10700 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)     12 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• 6 Volt

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

• Power out
• 0.4 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistorkoffer 61/30 21130L - Körting-Radio; Leipzig, später

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• von Neckermann vertrieben als Art.Nr. 820/40, erhöhte Ausgangsleistung 2,5 Watt bei Autobetrieb, bei UKW arbeitet die Vorstufe gleichzeitig als ZF-Reflexstufe

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Walter Groer. See "Data change" for further contributors.

• Other Models

• Here you find 815 models, 667 with images and 471 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Körting-Radio; Leipzig, später Grassau