• Year
  • 1937/1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 194200

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 220; 250 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 2/37 - Oy Helvar; Helsinki
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 460 x 265 x 235 mm / 18.1 x 10.4 x 9.3 inch
  • Notes
  • Helvar 2/37 has Gram. input.
  • Net weight (2.2 lb = 1 kg)
  • 9.8 kg / 21 lb 9.4 oz (21.586 lb)
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Jari Aalto. See "Data change" for further contributors.

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The model is part of the collections of the following members.

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