• Country
• United States of America (USA)

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

• Year
• 1959

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 110559

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 7

• Valves / Tubes
• 5687 12AU7 2D21 12B4A 12B4A 5879 6X4 8-4 NE51 0A2 0A2 0A2 0B2 0C2

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 105-125; 115-135 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Modulation Monitor M5693 - Gates Radio & Supply Co.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 19 x 8.75 x 11.5 inch / 483 x 222 x 292 mm

• Notes

• Modulation Monitor for AM Broadcast Transmitters, two built-in meters.

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by a member from A. 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