Radionic Hearing Aid A3A-B3A
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1944 ??
- Category
- Medical Technology
- Radiomuseum.org ID
- 352942
-
- alternative name: Chicago Radio Lab
Serial No. BC 095729
Serial No. BC 095729
Serial No. BC 095729
Serial No. BC 095729
Serial No. BC 095729
- Number of Tubes
- 3
- Main principle
- Audio-Amplification; 3 AF stage(s)
- Wave bands
- - without
- Details
- Hearing aid
- Power type and voltage
- Dry Batteries / 1.5 V & 45 Volt
- Loudspeaker
- - only for Earphone!
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Radionic Hearing Aid A3A-B3A - 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
-
The model A3A-B3A, a two-piece hearing aid with external batteries, was the successor of the A2AN, now equipped with three subminiature tubes and available with an air-conduction transducer (earphone) or a bone-conduction transducer.
- Net weight (2.2 lb = 1 kg)
- 0.180 kg / 0 lb 6.3 oz (0.396 lb)
- Author
- Model page created by Wolfgang Gebert. 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 Radionic Hearing Aid is part of the collections of the following members.