• 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
• 199390

• • alternative name: Heath Company

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

• Number of Tubes
• 1

• Valves / Tubes
• 12AU7

• Main principle
• Transmitter

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Test Oscillator HF TO-1 - Heathkit Brand, Heath Co.;

• Shape
• Book-shelf unit.

• Notes

• Amplitude modulated, HF test oscillator. Five fixed frequencies selected by switch: 262, 455, 465, 600, 1400 KHz. Two crystal sockets on the front panel for optional frequencies. Accuracy: + -0.5%. LF modulation: 400Hz at 30%. Available outputs: continuous HF, modulated HF and LF (by switching). Continuously adjustable output level. LF output level: 10V. HF output level: 0.1V.

  Oscillateur HF modulé à fréquences fixes. 5 fréquences fixes sélectionnée par switch : 262, 455, 465, 600, 1400 KHz. Deux supports de quartz en façade pour des fréquences spécifiques. Précision : +-0.5%. Modulation BF : 400Hz à 30%. Sorties disponibles : HF pure, HF modulée et BF (par commutation). Niveau de sortie réglable d'une manière continue. Niveau de sortie BF : 10V. Niveau de sortie HF : 0.1V.

• Mentioned in
• Funk-Technik (FT) (8/1960, s. 237 / Werbeanzeige)

• Literature/Schematics (1)
• Votre carrière N°23

• Author
• Model page created by Jean Marchal. See "Data change" for further contributors.

• Other Models

• Here you find 714 models, 698 with images and 504 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)