• Year
  • 1937
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 67010

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 752 - Wurlitzer Co., The Rudolph;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • The model 752 is the sound system for (25 or 60 cycle) AC model 50 from 1937.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 13 = 1942 and before

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