• Country
• Hungary

• Manufacturer / Brand
• Echo, Vörös Rezső okl. gépészmérnök Rádiólaboratóriuma; Budapest

• Year
• 1942/1943

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 123845

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH3 EF9 EBF2 EL3 EM4 AZ1

• 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Iskolaszuper 443V - Echo, Vörös Rezső okl. gépészm

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 700 x 510 x 300 mm / 27.6 x 20.1 x 11.8 inch

• Mentioned in
• Rádió Technika 1942.

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

• Other Models

• Here you find 34 models, 28 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Echo, Vörös Rezső okl. gépészmérnök Rádiólaboratóriuma; Budapest