• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1962 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 168270

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

• Number of Transistors
• 9

• Semiconductors
• AF106 AF115 AF116 AF116 AF116 AC126 AC126 AC128 AC128

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 6 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Plastics (no bakelite or catalin)

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

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 275 x 190 x 85 mm / 10.8 x 7.5 x 3.3 inch

• Net weight (2.2 lb = 1 kg)
• 1.950 kg / 4 lb 4.7 oz (4.295 lb)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Jouko Laukkanen. 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