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4 tubes DAAA

Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
Chicago Radio Lab
Year: 1924 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4:
Main principle Crystal or Solid State Detector with Amplifer
Power type and voltage Storage and/or dry batteries
Power out
from Model: 4 tubes DAAA - Zenith Radio Corp.; Chicago,
Notes Two dials (primary tuning control knobs).
Price in first year of sale 150.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932

All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4264 models, 3890 with images and 3381 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.