Hearing Aid 85-X
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1955 ??
- Category
- Medical Technology
- Radiomuseum.org ID
- 353928
-
- alternative name: Chicago Radio Lab
Serial. No. 2001964
Serial. No. 2001964
Serial. No. 2001964
Serial. No. 2001964
Serial. No. 2001964
- Number of Transistors
- 4
- Main principle
- Audio-Amplification; 4 AF stage(s)
- Wave bands
- - without
- Details
- Hearing aid
- Power type and voltage
- Dry Batteries / LR1: 1 x 1.5 Volt
- Loudspeaker
- - only for Earphone!
- Material
- Metal case
- from Radiomuseum.org
- Model: Hearing Aid 85-X - Zenith Radio Corp.; Chicago,
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 43 x 67 x 18 mm / 1.7 x 2.6 x 0.7 inch
- Notes
-
The all-glass transistors used for the 85-X were equipped with a black metal ring for heat dissipation and were each socketed. The 85-X used one "N" battery.
- Net weight (2.2 lb = 1 kg)
- 0.059 kg / 0 lb 2.1 oz (0.13 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 Hearing Aid is part of the collections of the following members.