• Country
• Germany

• Manufacturer / Brand
• Owin; Hannover

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7507

• Number of Tubes
• 4

• Valves / Tubes
• RENS1820 REN1821 REN1822 RENS1823d

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Power type and voltage
• Direct Current supply (DC)

• from Radiomuseum.org
• Model: 33G/GL - Owin; Hannover

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 230 models, 187 with images and 81 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Owin; Hannover