• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1950 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104465

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH41 EF41 EBC41 EL41 EM34 AZ41

• Main principle
• Superheterodyne (common); ZF/IF 484 kHz; 2 AF stage(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 220; 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: SMK5157W - Oy Helvar; Helsinki

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 520 x 320 x 250 mm / 20.5 x 12.6 x 9.8 inch

• Notes
• The later model of Radiotekno Oy (Helvar) Model Reico 5157 with different tube set.

• Net weight (2.2 lb = 1 kg)
• 10.3 kg / 22 lb 11 oz (22.687 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Juhani Makivuoti † 21.09.13. See "Data change" for further contributors.

• Other Models

• Here you find 254 models, 214 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