- Country
- United States of America (USA)
- Manufacturer / Brand
- Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
- Year
- 1952 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 108300
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 110 - 245 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
- Power out
- 4.5 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 4-A-39 - Firestone Tire & Rubber Co.
- Shape
- Tablemodel, low profile (big size).
- Notes
- Push-pull output stage
Frequency ranges:
Broadcast 540 - 1725 kc
Intermediate 1.8 - 5.8 Mc
Short Wave 5.8 - 15.5 Mc
16-13 Meter 17.1 - 22.2 Mc
19 Meter 14.5 - 17.1 Mc
25 Meter 11.7 - 12.2 Mc
31 Meter 9.28 - 9.8 Mc
- Circuit diagram reference
- Rider's Perpetual, Volume 20 covering 1950
- Author
- Model page created by Egon Penker. See "Data change" for further contributors.
- Other Models
-
Here you find 472 models, 308 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)