• Country
• Hungary

• Manufacturer / Brand
• Amrad Rádiolaboratorium; Budapest

• Year
• 1938–1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 149918

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Hétvezér 4+1 - Amrad Rádiolaboratorium;

• Shape
• Tablemodel, with any shape - general.

• Literature/Schematics (1)
• The History of Hungarian Radio Broadcasting and a Catalogue of Radio Receivers

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

• Other Models

• Here you find 26 models, 23 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amrad Rádiolaboratorium; Budapest