- Country
- United States of America (USA)
- Manufacturer / Brand
- Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
- Year
- 1940 ?
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 40771
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
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: S7407-5 [Late] - Firestone Tire & Rubber Co.
- Notes
- Vibrator, Monomatic Tuner (5 Frequenzen fest einstellbar)
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 11 = ca. 1940 and before
- Literature/Schematics (1)
- Riders 11-17
- 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)