A-2-A Radionic Hearing Aid early
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1943 ?
- Category
- Medical Technology
- Radiomuseum.org ID
- 347728
-
- alternative name: Chicago Radio Lab
Serial no. HA 028616
Serial no. HA 028616
Serial no. HA 028616 microphone defective
Serial no. HA 028616
Model A2A, Serial no. HA 028616
- Number of Tubes
- 2
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Details
- Hearing aid
- Power type and voltage
- Dry Batteries / 1.5 & 45 Volt
- Loudspeaker
- - only for Earphone!
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: A-2-A Radionic Hearing Aid [early] - Zenith Radio Corp.; Chicago,
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 70 x 130 x 22 mm / 2.8 x 5.1 x 0.9 inch
- Notes
-
Developed around the new subminiature tubes in 1942, its production would not commence due to stop of commercial production during WWII. However, government permission was granted in 1943 for the production even in wartime! The reason was that there were about ten million people hard of hearing in the country who were unable to serve in the military. But they were able to work in war production facilities if they had a hearing aid.
The A2A was a two-piece hearing aid and needed external batteries. Also see model Zenith A-2-A late equipped with other tubes
- Net weight (2.2 lb = 1 kg)
- 0.170 kg / 0 lb 6 oz (0.374 lb)
- Price in first year of sale
- 40.00 USD
- Source of data
- Zenith Radio The Glory Years 1936-1945
- Author
- Model page created by Wolfgang Gebert. See "Data change" for further contributors.
- Other Models
-
Here you find 4494 models, 4099 with images and 3605 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 A-2-A Radionic Hearing Aid is part of the collections of the following members.