• Country
• Finland

• Manufacturer / Brand
• Oy Helvar; Helsinki

• Year
• 1954/1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 191087

• Number of Tubes
• 5

• Valves / Tubes
• ECC85 ECH81 EF89 EABC80 EM80 EL84

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Details
• Tape Recorder

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• 2 Loudspeakers / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: RM55 [Grundig TM819] - Oy Helvar; Helsinki

• Shape
• Console, Lowboy (legs < 50 %).

• Dimensions (WHD)
• 560 x 900 x 360 mm / 22 x 35.4 x 14.2 inch

• Notes
• Helvar RM55 is with Grundig TM819 taperecorder.

• Net weight (2.2 lb = 1 kg)
• 25 kg / 55 lb 1.1 oz (55.066 lb)

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

• Author
• Model page created by Jari Aalto. 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