• Country
• United States of America (USA)

• Manufacturer / Brand
• Heathkit (Brand), Heath Co.; Benton Harbor (MI)

• Year
• 1961–1967 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 90694

• • alternative name: Heath Company

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

• Number of Tubes
• 0

• Valves / Tubes
• Neon_Indicator

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Tube Checker IT-21 - Heathkit Brand, Heath Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 13 x 8.5 x 5.5 inch / 330 x 216 x 140 mm

• Net weight (2.2 lb = 1 kg)
• 4.1 kg / 9 lb 0.5 oz (9.031 lb)

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

• Author
• Model page created by Hinrich Grensemann † 15.5.16. See "Data change" for further contributors.

• Other Models

• Here you find 713 models, 697 with images and 503 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heathkit (Brand), Heath Co.; Benton Harbor (MI)