Interference Eliminator

National Airphone Corp.; New York (NY)

  • Year
  • 1923
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 232277

 Technical Specifications

  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Interference Eliminator - National Airphone Corp.; New
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 6.5 x 4.5 x 1.25 inch / 165 x 114 x 32 mm
  • Notes
  • National Airphone Interference Eliminator.

  • Price in first year of sale
  • 7.50 $
  • Mentioned in
  • Radio News (October 1923 The Radio News magazine advertisement page 369)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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