• Year
  • 1920
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 184957

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: WI 165A - Wireless Improvement Co.; New
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 6.75 x 9.75 x 4.875 inch / 171 x 248 x 124 mm
  • Notes
  • Mentioned in a Wireless Improvement Co. advertisement in the August 1920 issue of The Wireless Age magazine. This amplifier was specially designed for the Marconi-Moorehead-DeForest tubes but is very efficient for all types.
  • Net weight (2.2 lb = 1 kg)
  • 7 lb (7 lb 0 oz) / 3.178 kg
  • Price in first year of sale
  • 69.00 $
  • Literature/Schematics (1)
  • Wireless Age (August 1920 (advertisment with picture).)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum