641P 7-pin miniature tubes

Harmon, Turku

  • Year
  • 1950 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 207421
    • alternative name: Radiokeskus Oy, Turku

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: 641P [7-pin miniature tubes] - Harmon, Turku
  • Shape
  • Portable set > 8 inch (also usable without mains)

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