• Year
  • 1929 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 66076

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 105-115 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: 42-A Amplifier - Western Electric Company Inc.;
  • Shape
  • Chassis only or for «building in»
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (1)
  • - - Manufacturers Literature

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