• Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 200063

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with regeneration; 1 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 200-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: CW37/AC - Invicta Radio Ltd.; Cambridge,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • A special 100-120v AC mains option was available.

    Separate Reaction control as well as "Volume" control by V1 (VP4B) bias adjustment.

    Scale lamp.

    WARNING: The optional "Mains" aerial connection is to live mains via 1nF. This should be a 1kV  "Y"  safe type. C13 is 10nF from potentially live mains to "Earth" and should also be a "Y" safe type.

  • Price in first year of sale
  • 8.40 GBP
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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