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Ravox Hearing Aid

Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266417) Misc Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 372413) Misc
Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266418) Misc Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266419) Misc
Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266420) Misc Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266421) Misc
Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266423) Misc Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266424) Misc
Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266425) Misc
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Ravox Hearing Aid ; Zenith Radio Corp.; (ID = 1266417) Misc
Zenith Radio Corp.;: Ravox Hearing Aid [Misc] ID = 1266417 573x600
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For model Ravox Hearing Aid, Zenith Radio Corp.; Chicago, IL:
Ebay auction by user radio1657 130721379930
 
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
 
Chicago Radio Lab
Year: 1938 Category: Miscellaneous (Other, Various) - see notes
Main principle Audio-Amplification
Wave bands - without
Details Hearing aid
Power type and voltage Alternating Current supply (AC) / 120 Volt
Loudspeaker - only for Earphone!
Power out
from Radiomuseum.org Model: Ravox Hearing Aid - Zenith Radio Corp.; Chicago,
Material Metal case
Shape Tablemodel, with any shape - general.
Notes Non portable hearing Aid, developed from the "ear" of the Radio Nurse. Used a particularly sensitive non-directional condenser microphone and allowed manual adjustment of the amplifier to emphasize certain frequencies and pitch ranges.
Price in first year of sale 29.00 $
Source of data Zenith Radio The Glory Years 1936-1945

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.



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.



  
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