• Year
  • 1921/1922
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 321356

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Main principle
  • Audio-Amplification; 1 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: One-Step Amplifier Cat. No. 15 - Tri-City Radio Supply Co.
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • One-Step Amplifier

    Catalog No. 15

     

     

     

  • Net weight (2.2 lb = 1 kg)
  • 5 lb (5 lb 0 oz) / 2.270 kg
  • Price in first year of sale
  • 22.25 $
  • Mentioned in
  • - - Manufacturers Literature (1921-1922 Tresco Radio Apparatus catalog page 8)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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