• Country
• United States of America (USA)

• Manufacturer / Brand
• General Radio Company; Cambridge (MA)

• Year
• 1923

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 220249

• • alternative name: GenRad

• 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.

• Other Models

• Here you find 241 models, 212 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Radio Company; Cambridge (MA)