- Country
- United States of America (USA)
- Manufacturer / Brand
- Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
- Year
- 1936/1937
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 40690
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: 7405-3 Air Chief - Firestone Tire & Rubber Co.
- Shape
- Tablemodel, low profile (big size).
- Notes
- Firestone began selling non-automobile radios in the Fall 1936. These radios were normally manufactured by Stewart Warner. The model 7405-1 (4 tubes) is the smallest of the family for 1936/37, followed by 7405-2 (5 tubes) and 7405-3 (7 tubes) in size. The model 7405-3 has a 6 inch illuminated airplane dial. Automatic tone control, "automatic antenna system", bass compensation and power line filter. The model 7405-3 is made in walnut, has 4 knobs and the 6G5 as magic eye (photo-eye-tuner). Price was 42.50 $ for this "7 Tube All Wave".
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 16 = ca. 1948 and before
- 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)
Collections
The model 7405-3 Air Chief is part of the collections of the following members.