• Country
• Finland

• Manufacturer / Brand
• Superfon; Helsinki

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 279332

• • alternative name: Oy Radio-Aitta Ab,

• Number of Tubes
• 5

• Valves / Tubes
• DK21 DF21 DF21 DAC21 DL21

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: 49 - Superfon; Helsinki

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

• Dimensions (WHD)
• 395 x 280 x 160 mm / 15.6 x 11 x 6.3 inch

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

• Other Models

• Here you find 9 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Superfon; Helsinki