• Country
• United States of America (USA)

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

• Year
• 1973 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 76367

• • alternative name: Heath Company

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

• Number of Tubes
• 5

• Valves / Tubes
• 12AX7 12BY7A 5879 12AT7 EZ81 0A2

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Harmonic Distortion Meter IM-58 - Heathkit Brand, Heath Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 328 x 210 x 178 mm / 12.9 x 8.3 x 7 inch

• Notes
• Klirrfaktor-Messgerät IM-58.
  Frequenzbereich: 20 Hz bis 20 kHz, Klirrfaktormessbereich: 0-1, 3, 10, 30, 100 %; Eingangsspannung min. 0,3 V_eff.

• Net weight (2.2 lb = 1 kg)
• 5 kg / 11 lb 0.2 oz (11.013 lb)

• Price in first year of sale
• 3,810.00 ATS

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Egon Penker. 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)