- Country
 - United States of America (USA)
 
- Manufacturer / Brand
 - Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
 
- Year
 - 1941 ?
 
- Category
 - Car Radio, perhaps also + sound player/recorder
 
- Radiomuseum.org ID
 - 40715
 
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
 - 6
 
- Main principle
 - Superhet with RF-stage; ZF/IF 455 kHz
 
- Tuned circuits
 - 7 AM circuit(s)
 
- Wave bands
 - Broadcast only (MW).
 
- Power type and voltage
 - Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
 
- Loudspeaker
 - Permanent or electro-dynamic (moving coil), system not known yet.
 
- Material
 - Metal case
 
- from Radiomuseum.org
 - Model: S7350-2 - Firestone Tire & Rubber Co.
 
- Shape
 - Chassis only or for «building in»
 
- Notes
 - Vibrator for +B.
 
- External source of data
 - Ernst Erb
 
- Circuit diagram reference
 - Rider's Perpetual, Volume 13 = 1942 and before
 
- Other Models
 - 
        
Here you find 491 models, 319 with images and 450 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)