• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1225

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

• Number of Tubes
• 4

• Valves / Tubes
• KF4 KC1_p8 KC1_p8 KL1_sidecontact

• Main principle
• TRF without regeneration

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Deutscher Olympia-Koffer 37 - Braun; Frankfurt

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

• Notes

• Deutscher Olympia-Koffer 1937 Gemeinschaftsgerät der deutschen Rundfunk-Industrie

  Eingebaute Rahmenantenne,

  Optional für den Heimgebrauch:
  "Heliogen"- Netzanschluß für alle AC
  Gleichrichter Röhre RGN 354: extra RM 3,50.

• Price in first year of sale
• 170.00 RM

• Source of data
• Handbuch WDRG 1937 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Katalog Max Loeven 1937/38

• Other Models

• Here you find 1067 models, 936 with images and 653 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt