• Country
• Finland

• Manufacturer / Brand
• Hellberg, Helsinki

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 205475

• Number of Tubes
• 5

• Valves / Tubes
• UCH11 UBF11 UCL11 UY11 UM11

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

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

• Power type and voltage
• AC/DC-set / 125; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sarah 641Y - Hellberg, Helsinki

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

• Dimensions (WHD)
• 520 x 325 x 255 mm / 20.5 x 12.8 x 10 inch

• Notes
• Dial lamps: 2x 10V/0,1A

• 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