• Country
• Hungary

• Manufacturer / Brand
• Elektral - Revízió Rádióház; Budapest

• Year
• 1928

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

• Radiomuseum.org ID
• 314959

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Kettős hangolású detektoros gép - Dual Tuning Detector Device - Elektral - Revízió Rádióház;

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

• Price in first year of sale
• 3.78 Pengő

• Literature/Schematics (2)
• Pesti Hírlap, Rádió Újsága 1928 november 3.

• Literature/Schematics (4)
• Nermzeti Újság, 1932/10.

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 6 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Elektral - Revízió Rádióház; Budapest