• Country
• United States of America (USA)

• Manufacturer / Brand
• Gates Radio & Supply Co.; Quincy, IL

• Year
• 1947 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 349759

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Mixer Unit GR-91 - Gates Radio & Supply Co.;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Mentioned in
• - - Manufacturers Literature (Gates Radio Apparatus catalog, Gates Radio Co., 1947, pages 140-141)

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 7 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gates Radio & Supply Co.; Quincy, IL