• Country
• Finland

• Manufacturer / Brand
• Hellberg, Helsinki

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 116980

• Number of Tubes
• 5

• Valves / Tubes
• ECH11 EBF11 ECL11 AZ11 EM11

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

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 225; 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 22 cm = 8.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Leo 641V - Hellberg, Helsinki

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

• Dimensions (WHD)
• 500 x 310 x 275 mm / 19.7 x 12.2 x 10.8 inch

• Notes
• Dial lamps: 2x 6,3V / 0,3A

• Mentioned in
• - - Data from my own collection

• Author
• Model page created by Esa Salldén. 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