• Year
  • 1937/1938
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 251931
    • Brand: Synchrophase

 Technical Specifications

  • Number of Tubes
  • 5
  • Valves / Tubes
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • from Radiomuseum.org
  • Model: Challenger 5 L. W. - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Literature/Schematics (3)
  • The Grebe Folder for 1937/38 "Prest-O-Matic".
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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