• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1936 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 234657

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

• Number of Tubes
• 5

• Valves / Tubes
• AK2 AF3 ABC1 AL4 AZ1

• Main principle
• Superheterodyne (common)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• from Radiomuseum.org
• Model: Super 5V - Oy Helvar; Helsinki

• Notes

• Alternative tubes: Triotron O406, S423, D436, P496, G459.

  Dial lamps: 4x 4V / 0,3A.

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 254 models, 215 with images and 93 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Oy Helvar; Helsinki