• Country
• Finland

• Manufacturer / Brand
• Hellberg, Helsinki

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 205478

• Number of Tubes
• 4

• Valves / Tubes
• DCH11 DF11 DAF11 DL11

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

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

• Power type and voltage
• Storage and/or dry batteries / 2 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Janne 441P - Hellberg, Helsinki

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 500 x 310 x 265 mm / 19.7 x 12.2 x 10.4 inch

• Notes
• Dial lamps: 2x 4,5V/0,2A
  Wavebands: 14-50m, 195-580m, 650-2000m

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

• Other Models

• Here you find 34 models, 30 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hellberg, Helsinki