• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1947/1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 206442

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

• Number of Tubes
• 4

• Valves / Tubes
• DK21 DF21 DAC21 DL21

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 1,4 & 120 & 4,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7.5 inch = 19.1 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 468P - Oy Helvar; Helsinki

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 520 x 315 x 245 mm / 20.5 x 12.4 x 9.6 inch

• Notes
• Dial lamps: 2x 2V / 0,06A (uses 4,5V battery).

• 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