Vacuum Tube Detector Type 211

General Radio Company; Cambridge (MA)

  • Year
  • 1919 ?
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 313637
    • alternative name: GenRad

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Main principle
  • Detector with Vacuum Tube (Valve), no tuner
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Vacuum Tube Detector Type 211 - General Radio Company;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Unit contains a vacuum tube socket, filament rheostat, filament switch, plate battery (typically in multiples of 22V), grid leak, and variable grid condenser. The unit is joined with a tuning circuit via binding posts, and is suited to be used with the tube amplifier Type 206.

     

  • Price in first year of sale
  • 32.00 $
  • Mentioned in
  • Atlantic Radio Co. Bulletin 14 (1919)
  • Author
  • Model page created by Nikolaus Löwe. See "Data change" for further contributors.

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