• Year
  • 1937
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 34477

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification
  • Power type and voltage
  • AC/DC-set / 110 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • from Radiomuseum.org
  • Model: Communo-Phone 5SC - Bogen -Presto, David Co., Inc.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Bogen 5SC Communo-Phone;
    4 lines push-button.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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