Arnold Long Wave Receiving Transformer No. 7

Arnold, J.F.; New York

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  • Year
  • 1919
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 216274

 Technical Specifications

  • Main principle
  • Tuner pre 1926 (not a wave trap)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Arnold Long Wave Receiving Transformer No. 7 - Arnold, J.F.; New York
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 41 x 10 x 0 inch / 1041 x 254 x 0 mm
  • Notes
  • J. F. Arnold Long Wave Receiving Transformer Model No.7. This is another inductive tuner made by J.F. Arnold, and incorporates his usual features of quality and workmanship. With a fair sized antenna, it will tune up to 15,000 meters.
    The primary is entirely housed in polished hard rubber, and is so tapped that 2 turn adjustment can be obtained.
    The secondary is tapped to a 21 point switch, and has permanent connections to the binding posts through flexible cables. A special device eliminates dead-end losses. The woodwork is French polished mahogany.
  • Net weight (2.2 lb = 1 kg)
  • 25 lb (25 lb 0 oz) / 11.350 kg
  • Price in first year of sale
  • 40.00 $
  • Mentioned in
  • July 1919 National Radio Supply Co. catalog page 10
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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