• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 270363

• Number of Tubes
• 6

• Valves / Tubes
• EK2 EF9 EB4 EL3 EFM1 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) / 125; 150; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 22 cm = 8.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 590 - Oy Helvar; Helsinki

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

• Dimensions (WHD)
• 480 x 320 x 230 mm / 18.9 x 12.6 x 9.1 inch

• Author
• Model page created by Justo Puertas-Paule. 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