• Year
  • 1922/1923
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 240118

 Technical Specifications

  • Number of Tubes
  • 1
  • 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
  • Various materials
  • from Radiomuseum.org
  • Model: Lab Type Amplifier - Sleeper Radio Corp.; New York
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Sleeper Radio Corporation Laboratory Type Unit Amplifier

  • Price in first year of sale
  • 13.95 USD
  • Mentioned in
  • circa 1923 Pittsburgh Radio Supply House catalog
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum