• Year
  • 1937
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 168811
    • Brand: Webcor

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • AC/DC-set / 115 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: Communication System OC-9 - Webster Co., The, Webster-
  • Notes
  • Inter-Office Communication System.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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