• Country
• United States of America (USA)

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

• Year
• 1960–1967 ?

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 89011

• • alternative name: Heath Company

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

• Number of Transistors
• 1

• Semiconductors
• 2N409

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Crystal Calibrator HD-20 - Heathkit Brand, Heath Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 2.5 x 4.5 x 2.625 inch / 64 x 114 x 67 mm

• Notes
• Heathkit Crystal Calibrator HD-20.
  Provides marker signals every 100 kHz.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Price in first year of sale
• 15.00 $

• Source of data
• Heathkit: A Guide to Amateur Radio Products

• Literature/Schematics (1)
• -- Schematic

• 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 502 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)