• Country
• United States of America (USA)

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

• Year
• 1960 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 81938

• • alternative name: Heath Company

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

• Number of Tubes
• 5

• Valves / Tubes
• 12AX7 12BY7 5879 12AT7 6X4 0A2

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Harmonic Distortion Meter HD-1 - Heathkit Brand, Heath Co.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Klirrfaktormessgerät.

• Mentioned in
• Funk-Technik (FT) (20/1960, S. 741 / Werbeanzeige)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Arpad Roth † 27.3.17. 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)