• Year
  • 1919 ?
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 313688
    • alternative name: Lee De Forest Mfg.

 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
  • Bakelite, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: Audion Control Panel P-400 - DeForest Radio Telephone &
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 6.25 x 7.25 x 0 inch / 159 x 184 x 0 mm
  • Notes
  • The P-400 Audion Panel includes a tube socket, grid leak and condenser, and filament rheostat. Connection to batteries and other circuit elements via binding posts.

    The panel is higher than it is wide.

    The type P-401 (at $14.25 ) is the same as P-400, but comes in oak cabinet.

    Type P-402 Audion Panel has a wider, square panel.

     

  • Price in first year of sale
  • 12.00 $
  • 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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The model Audion Control Panel is part of the collections of the following members.

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