• Country
• Germany

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

• Year
• 1935–1937

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 2397

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

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

• Number of Tubes
• 1

• Valves / Tubes
• AF7

• Main principle
• RF Converter/Adapter (not voltage converter); ZF/IF 375 kHz

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Super-Vorsatz für Volksempfänger VS1220W - Körting-Radio; Leipzig, später

• Dimensions (WHD)
• 310 x 205 x 178 mm / 12.2 x 8.1 x 7 inch

• Notes
• Super-Vorsatz für VE301W

• Price in first year of sale
• 90.00 RM

• Source of data
• Katalog Radio-Zentrale Alex v. Prohaska 1935/1936 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Mentioned in
• HandB.d.d.Rundfunk-Handels 1936/37

• 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