• Country
• United States of America (USA)

• Manufacturer / Brand
• Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)

• Year
• 1964

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 164779

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

• Number of Tubes
• 2

• Valves / Tubes
• 12AU7 6AL5

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115 & 1.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Knight Vacuum Tube Voltmeter KG-620 - Allied Radio Corp. Knight,

• Shape
• Book-shelf unit.

• Notes

• VTVM Vacuum Tube Voltmeter Kit. Push-pull balanced bridge with 12AU7 twin triode. AC and DC ranges: 1.5, 5,15, 50, 150, 500 and 1500V. Input Resistance: 11 Megohms. Ohmmeter Ranges: x1, x10, x100, x1000, x10K, x100K and x1Megohm

  Very similar model is the earlier Knight VTVM 83Y125  (2 resistor changes).

• Price in first year of sale
• 24.95 USD

• Source of data
• -- Original-techn. papers.

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (Catalog No. 236, Summer 1964, pg 59, "KG-620 Electronic VTVM Kit." Kit $24.95)

• Author
• Model page created by Víctor Caselli-Diaconescu. See "Data change" for further contributors.

• Other Models

• Here you find 1035 models, 638 with images and 679 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)