• Country
• United States of America (USA)

• Manufacturer / Brand
• Hetro Electrical Industries; Chicago, IL

• Year
• 1937 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 214913

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A8 6K7 6Q7 6F6 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: F8 Ch= FA - Hetro Electrical Industries;

• Notes
• Hetro 5 Tube AC Model F8.
  LW: 140 - 410 KHz,
  AM: 550 - 1.700 KHz,
  SW: 5.5 - 18 MHZ.
  

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Author
• Model page created by Harry Ducker. See "Data change" for further contributors.

• Other Models

• Here you find 79 models, 5 with images and 74 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hetro Electrical Industries; Chicago, IL