• Country
• United States of America (USA)

• Manufacturer / Brand
• Sylvania (Hygrade, GTE, Nilco); Emporium (PA)

• Year
• 1956

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 98893

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

• Number of Tubes
• 1

• Valves / Tubes
• 6C4

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Tube Tester 620 - Sylvania Hygrade, GTE, Nilco;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 17.2 x 6 x 11.3 inch / 437 x 152 x 287 mm

• Notes
• Tests 4, 5, 6, 7, 8 and 9 pin tubes.

• Price in first year of sale
• 140.00 $

• Literature/Schematics (1)
• Allied Radio Catalog Nº 150, 1956

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 1087 models, 455 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)