- Country
- United States of America (USA)
- Manufacturer / Brand
- Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
- Year
- 1940 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 40784
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Picture courtesy Ray and Pauline Sanders
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- AC/DC-set / 110 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: S7425-6 [Late] - Firestone Tire & Rubber Co.
- Notes
- Built in loop antenna.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 11 = ca. 1940 and before
- Literature/Schematics (1)
- Riders 11-24 ; 13-47
- Other Models
-
Here you find 473 models, 310 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)