• Country
• Hungary

• Manufacturer / Brand
• Zelenka Cég (ZL); Budapest

• Year
• 1934

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 308057

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

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Wave bands
• Broadcast and LongWave in ONE range.

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Zenith D - Zelenka Cég ZL; Budapest

• Shape
• Tablemodel, with any shape - general.

• Notes

• Range 210 - 840 meters.

• Mentioned in
• -- Original prospect or advert (Rádió Amatőr 1934.)

• Author
• Model page created by Sándor Perneky. See "Data change" for further contributors.

• Other Models

• Here you find 28 models, 27 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zelenka Cég (ZL); Budapest