• Country
• Germany

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

• Year
• 1932 ?

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

• Radiomuseum.org ID
• 2361

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

• Number of Tubes
• 4

• Valves / Tubes
• RENS1204 RENS1204 REN904 RGN504

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: 3-Kreis-Vorstufe - Körting-Radio; Leipzig, später

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 818 models, 671 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