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392A; Zenith Radio Corp.; (ID = 219017) Radio
392A; Zenith Radio Corp.; (ID = 156186) Radio
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392A; Zenith Radio Corp.; (ID = 156186) Radio
Zenith Radio Corp.;: 392A [Radio] ID = 156186 800x692
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For model 392A, Zenith Radio Corp.; Chicago, IL:
392-A (1929) ebay seller zj97
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
Chicago Radio Lab
Year: 1929 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 10: 27 27 27 27 27 27 26 10 81 81
Main principle TRF without regeneration
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 392A - Zenith Radio Corp.; Chicago,
Material Wooden case
Shape Console, Highboy (legs > 50 %).

Automatic tuning; Single dial (primary tuning knob); 25cycle mains;

Price in first year of sale 510.00 $
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
Mentioned in Radio Set Socket Layout 1921 to 1935, RCA

All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4278 models, 3897 with images and 3389 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.