• Country
• United States of America (USA)

• Manufacturer / Brand
• Sonora Radio & Telev. Corp.; Chicago (IL)

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 58364

• • alternative name: Sonora Electric Phono

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

• Number of Tubes
• 4

• Valves / Tubes
• 1A7G 1N5G 1H5G 1C5G

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1,5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: TF-39 Ch= TF - Sonora Radio & Telev. Corp.;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 15.5 x 9.125 x 11.75 inch / 394 x 232 x 298 mm

• Notes

• Built-in loop antenna. Tunes 1720-535 kc. In beautiful luggage-type case with hinged lid.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Literature/Schematics (3)
• -- Original prospect or advert (The Sonora Folder for 1940.)

• Other Models

• Here you find 345 models, 207 with images and 259 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sonora Radio & Telev. Corp.; Chicago (IL)