• Year
  • 1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 35646
    • alternative name: American Graphophone || Columbia Recording

 Technical Specifications

  • Number of Tubes
  • 8
  • Valves / Tubes
  • Wave bands
  • Broadcast only (MW).
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • from Radiomuseum.org
  • Model: 939 [new] - Columbia Phonograph, American
  • Price in first year of sale
  • 235.00 $
  • External source of data
  • Ernst Erb

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