The Economical 50-R Hearing Aid
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1958
- Category
- Medical Technology
- Radiomuseum.org ID
- 73959
-
- alternative name: Chicago Radio Lab
- Number of Transistors
- 4
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Details
- Hearing aid
- Power type and voltage
- Dry Batteries
- Loudspeaker
- - only for Earphone!
- Material
- Metal case
- from Radiomuseum.org
- Model: The Economical 50-R Hearing Aid - Zenith Radio Corp.; Chicago,
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Notes
-
The 4 transistors are made in Holland and each socketed.
The window in the clip is the microphone and it uses one "N" battery.
- Mentioned in
- Zenith Transistor Radios
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 4505 models, 4101 with images and 3631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Collections
The model The Economical 50-R is part of the collections of the following members.