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S7422-9

S7422-9 ; Firestone Tire & (ID = 725639) Radio
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S7422-9 ; Firestone Tire & (ID = 725639) Radio
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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
Valves / Tubes 6: 12SK7 12SA7 12SK7 12SQ7 35L6GT 35Z5GT
Main principle Superhet with RF-stage; ZF/IF 456 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 117 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Radiomuseum.org Model: S7422-9 - Firestone Tire & Rubber Co.
Notes Built in loop antenna.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 13 = 1942 and before
Literature/Schematics (1) Riders 13-46


All listed radios etc. from Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
Here you find 419 models, 274 with images and 381 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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