Power Amplifier Type 272

General Radio Company; Cambridge (MA)

  • Year
  • 1923
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 220249
    • alternative name: GenRad

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Line / Batteries (any type) / 110-120AC & 4 & 45 & 45 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Power Amplifier Type 272 - General Radio Company;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • General Radio Two-Stage Power Amplifier.
  • Price in first year of sale
  • 40.00 $
  • Literature/Schematics (1)
  • May 1923 Popular Radio magazine advertisement page 27
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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