- Country
- United States of America (USA)
- Manufacturer / Brand
- Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
- Year
- 1946/1947
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 40616
By courtesy of William Kendrick, USA
SAMS Photofact
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 and Short Wave (SW).
- Power type and voltage
- AC/DC-set / 110 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: 4-A-20 - Firestone Tire & Rubber Co.
- Shape
- Tablemodel, with any shape - general.
- Notes
- The Firestone model 4-A-20 is an AC-DC 2-Band Superheterodyne with Self Contained Loop Antenna.
- External source of data
- Ernst Erb
- Source of data
- Collector's Guide to Antique Radios 4. Edition
- Circuit diagram reference
- Rider's Perpetual, Volume 15 = 1947 and before
- Literature/Schematics (1)
- Photofact Folder, Howard W. SAMS (Date: Mar 1947, Set 15, Folder 475-11)
- Other Models
-
Here you find 472 models, 307 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 4-A-20 is part of the collections of the following members.
Forum contributions about this model: Firestone Tire &: 4-A-20
Threads: 1 | Posts: 1
Salve ai soci, sto cercando una foto della sola scala parlante di questa Firestone per poterla riprodurre tramite scannerizzazione.Qualcuno puo cortesemente fornirmela o, perlomeno avere l'indirizzo mail del socio che ne e' in possesso per poterlo contattare ? Distinti salutu
Seccia Gabriele
Gabriele Seccia, 22.Mar.10