• Country
• Germany

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

• Year
• 1954–1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25401

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

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

• Number of Tubes
• 11

• Valves / Tubes
• ECC85 EF89 EC92 EBF80 EM85 ECH81 EF89 EABC80 EL84 EL84 AZ11

• Number of Transistors

• Semiconductors
• DS604

• Main principle
• Superhet with RF-stage; ZF/IF 472kHz/10, kHz

• Tuned circuits
• 11 AM circuit(s)     13 FM circuit(s)

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• 5 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Royal 3D dyn 440W - Körting-Radio; Leipzig, später

• Notes

• Bei diesem Modell und dem Körting Royal 640W sowie bei der
  Paralleltype Neckermann Royal Art.Nr. 111/21 wird der selbe Schaltplan Nr: AD1-293 verwendet.

• Source of data
• Radiokatalog Band 2, Ernst Erb

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

• Author
• Model page created by Hermann Freudenberg † 2006. 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