• Country
• United States of America (USA)

• Manufacturer / Brand
• Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 40799

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

• Number of Tubes
• 7

• Valves / Tubes
• 6A8G 6K7 6Q7G 6K6G 6U5 6K6G 5W4G

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: S7427-1 Ch= R-314 [Early] - Firestone Tire & Rubber Co.

• Shape
• Console with Push Buttons.

• External source of data
• Ernst Erb

• Source of data
• Pre-War Consoles

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

• Literature/Schematics (1)
• Riders 11-31, 32

• Other Models

• Here you find 472 models, 307 with images and 430 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)