• Country
• Czechoslovakia

• Manufacturer / Brand
• Oma Radio, Praha

• Year
• 1933 ??

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 177862

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

• Number of Tubes
• 1

• Valves / Tubes
• 12A7

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

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

• Power type and voltage
• Alternating Current supply (AC) / 120/220 Volt

• Loudspeaker
• - only for Earphone!

• from Radiomuseum.org
• Model: S1 - Oma Radio, Praha

• Shape
• Chassis only or for «building in»

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 4 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Oma Radio, Praha