• Year
  • 1922
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 72800
    • alternative name: Chicago Radio Lab

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 2M 2-M - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, slant panel.

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