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4-A-20

4-A-20 ; Firestone Tire & (ID = 457842) Radio
 
4-A-20 ; Firestone Tire & (ID = 457843) Radio
 
4-A-20 ; Firestone Tire & (ID = 457844) Radio
 
4-A-20 ; Firestone Tire & (ID = 457845) Radio
 
4-A-20 ; Firestone Tire & (ID = 634544) Radio
 
4-A-20 ; Firestone Tire & (ID = 634545) Radio
 
4-A-20 ; Firestone Tire & (ID = 634546) Radio
 
4-A-20 ; Firestone Tire & (ID = 634547) Radio
4-A-20 ; Firestone Tire & (ID = 2033586) Radio 4-A-20 ; Firestone Tire & (ID = 2033587) Radio
4-A-20 ; Firestone Tire & (ID = 266814) Radio 4-A-20 ; Firestone Tire & (ID = 634543) Radio
4-A-20 ; Firestone Tire & (ID = 1432448) Radio 4-A-20 ; Firestone Tire & (ID = 1432449) Radio
4-A-20 ; Firestone Tire & (ID = 1432450) Radio 4-A-20 ; Firestone Tire & (ID = 1432451) Radio
4-A-20 ; Firestone Tire & (ID = 2220836) Radio 4-A-20 ; Firestone Tire & (ID = 2545816) Radio
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4-A-20 ; Firestone Tire & (ID = 2033586) Radio
Firestone Tire &: 4-A-20 [Radio] ID = 2033586 1400x1156
Select picture or schematic to display from thumbnails on the right and click for download.
For model 4-A-20, Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
 
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
Valves / Tubes 6: 12SK7 12SA7 12SF7 12SK7 35L6GT 35Z4GT
Main principle Superhet with RF-stage; ZF/IF 455 kHz
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
Details
Power type and voltage AC/DC-set / 110 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Radiomuseum.org Model: 4-A-20 - Firestone Tire & Rubber Co.
Material Wooden case
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
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (1) Photofact Folder, Howard W. SAMS (Date: Mar 1947, Set 15, Folder 475-11)


All listed radios etc. from Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
Here you find 426 models, 281 with images and 393 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



 


Forum contributions about this model
Firestone Tire &: 4-A-20
Threads: 1 | Posts: 1
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firestone:  ; 4-A-20
Gabriele Seccia
22.Mar.10
  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

 
Firestone Tire &: 4-A-20
End of forum contributions about this model

  
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