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Royal M Hearing Aid

Royal M Hearing Aid; Zenith Radio Corp.; (ID = 390127) Misc
Royal M Hearing Aid; Zenith Radio Corp.; (ID = 504492) Misc Royal M Hearing Aid; Zenith Radio Corp.; (ID = 1154397) Misc
Royal M Hearing Aid; Zenith Radio Corp.; (ID = 1154399) Misc
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Royal M Hearing Aid; Zenith Radio Corp.; (ID = 504492) Misc
Zenith Radio Corp.;: Royal M Hearing Aid [Misc] ID = 504492 267x381
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For model Royal M Hearing Aid, Zenith Radio Corp.; Chicago, IL:
From Ebay
 
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
 
Chicago Radio Lab
Year: 1955 ? Category: Miscellaneous (Other, Various) - see notes
Semiconductors (the count is only for transistors) 3:
Main principle Audio-Amplification; 3 AF stage(s)
Wave bands - without
Details Hearing aid
Power type and voltage Dry Batteries / 1.5 Volt
Loudspeaker - only for Earphone!
Power out
from Radiomuseum.org Model: Royal M Hearing Aid - Zenith Radio Corp.; Chicago,
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 1.75 x 2.625 x 0.625 inch / 44 x 67 x 16 mm
Notes Transistoren: 2x CK718.
Wie Zippo-Feuerzeug, in der Front eingearbeitete Telefonspule (zweite Ausführung, weitere Varianten wahrscheinlich).
Literature/Schematics (1) -- Schematic (H.G. Mende, Leitfaden der Transistortechnik, Franzis Verlag München, 1.Auflage 1959 S.217)

Model page created by Marc Gianella. 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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