• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 97975

• Number of Tubes
• 5

• Valves / Tubes
• EK2 EF5 EBC3 EBL1 AZ1

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super 4/38A - Oy Helvar; Helsinki

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 425 x 328 x 326 mm / 16.7 x 12.9 x 12.8 inch

• Net weight (2.2 lb = 1 kg)
• 13.6 kg / 29 lb 15.3 oz (29.956 lb)

• Price in first year of sale
• 2,700.00 Fmk

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Eero Ukkola. See "Data change" for further contributors.

• Other Models

• Here you find 254 models, 215 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