• Country
• United States of America (USA)

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

• Year
• 1956–1960 ?

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

• Radiomuseum.org ID
• 89221

• • alternative name: Heath Company

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

• Number of Tubes
• 1

• Valves / Tubes
• 12AX7

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Q Multiplier QF-1 - Heathkit Brand, Heath Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 7.75 x 4.687 x 4.125 inch / 197 x 119 x 105 mm

• Notes
• The Heathkit Q-Multiplier QF-1, when used with a communications receiver, provides additional selectivity or signal rejection as desired. The operating frequency is 450 to 460 kHz. It needs 6.3 VAC and 150-250 VDC.

• Net weight (2.2 lb = 1 kg)
• 0.596 kg / 1 lb 5 oz (1.313 lb)

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

• 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 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)