• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1948 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 121564

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 EF22 EF22 EBL21 EM4 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) / 110- 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ore 669 W - Oy Helvar; Helsinki

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 520 x 312 x 223 mm / 20.5 x 12.3 x 8.8 inch

• Notes
• Manufactured for market chain "Keskusosuusliike Hankkija R.L.,Helsinki"

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

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

• 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