• Year
  • 1938/1939
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 67023

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 841 Amplifier only - Wurlitzer Co., The Rudolph;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • The model 841 is the sound system for the 115 Volt AC (25 or 60 cycle) model 24 from 1937, 24A from 1938 and others like the model 61 from 1938/39.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 13 = 1942 and before

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