• Country
• United States of America (USA)

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

• Year
• 1958 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 181746

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

• Number of Transistors
• 6

• Semiconductors
• 2N411 2N409 2N409 2N405 2N407 2N407

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / D: 6 x 1.5 Volt

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: All Transistor 4-C-33 - Firestone Tire & Rubber Co.

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

• Notes

• See also Automatic Radio PTR-15B.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 6-58, Set 402, Folder 9)

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

• Other Models

• Here you find 479 models, 312 with images and 436 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)