• Country
• United States of America (USA)

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

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 100929

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

• Number of Tubes
• 7

• Valves / Tubes
• 6L7G 6C5G 6U7G 6Q7G 6U5 6K6G 5W4G

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 3071 Air Chief Ch= R-307 - Firestone Tire & Rubber Co.

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 470 x 300 x 240 mm / 18.5 x 11.8 x 9.4 inch

• Notes
• Stock # 7423-2. This is the export version -X (100 to 240 volt AC, 25 to 133 cycles).

• Price in first year of sale
• 35.00 $

• Literature/Schematics (1)
• Rider's Perpetual, Volume 9 = 1938 and before (Riders 9-5, 6)

• Author
• Model page created by Wolfgang Thiel. See "Data change" for further contributors.

• Other Models

• Here you find 472 models, 309 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)