• Country
• United States of America (USA)

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

• Year
• 1936 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 154731

• Number of Tubes
• 4

• Valves / Tubes
• 6F5 6C5 6F6 84

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 4 W (unknown quality)

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Microphone amp. - Gates Radio & Supply Co.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 420 x 90 x 150 mm / 16.5 x 3.5 x 5.9 inch

• Notes
• Public address microphone amplifier.

• Author
• Model page created by Jeffrey Fisher. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 7 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gates Radio & Supply Co.; Quincy, IL