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S7425-5

S7425-5 ; Firestone Tire & (ID = 726158) Radio
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S7425-5 ; Firestone Tire & (ID = 726158) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)
Year: 1939 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 6K7 6J7 25L6 25Z6
Main principle TRF without regeneration
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC) / 110-120 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: S7425-5 - Firestone Tire & Rubber Co.
Shape Tablemodel with Clock ((Alarm-) Clock Radio).
Notes AC only (clock). Never plug in to DC mains! No GT type tubes used.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 10 = 1939 and before
Literature/Schematics (1) Riders 10-3


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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