• Country
• United States of America (USA)

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

• Year
• 1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 147317

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

• Number of Tubes
• 6

• Valves / Tubes
• 12BE6 12BA6 12AT6 12AX7 35L6GT 35L6GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 110 - 120 Volt

• Loudspeaker
• 2 Loudspeakers / Ø 6 inch = 15.2 cm

• from Radiomuseum.org
• Model: 4-A-133 Code 1-4-UX5X5 - Firestone Tire & Rubber Co.

• Shape
• Tablemodel, with any shape - general.

• Notes
• Selenium Rectifier.
  The Firestone Model 4-A-133 is an AC Operated 6 Tube Radio-Phono Combination AM Superheterodyne Receiver.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 2-55, Set 266, Folder 6)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 473 models, 310 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)