• Country
• United States of America (USA)

• Manufacturer / Brand
• Supreme Instruments Corp.; Greenwood (MS)

• Year
• 1940 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 356902

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

• Number of Tubes
• 2

• Valves / Tubes
• 6F8G 37

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / DC 3V & AC 117.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Vacuum-Tube Voltmeter Model 549 - Supreme Instruments Corp.;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• Optional oak cabinet for $42.50 USD.

• Price in first year of sale
• 39.95 USD

• Mentioned in
• Vacuum-Tube Voltmeters, John F. Rider, 1941

• Literature/Schematics (1)
• Radio Craft (Nov. 1940, page 292)

• Author
• Model page created by Wolfgang Müllner. See "Data change" for further contributors.

• Other Models

• Here you find 85 models, 66 with images and 51 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Supreme Instruments Corp.; Greenwood (MS)