Zenith Model 75-X Transistor (Body) Hearing Aid
The Zenith Model 75-X transistor hearing aid was manufactured by the
Hearing Aid Division of the Zenith Radio Corp. beginning in December 1954. It was an
3-transistor aid. In October, 1955 it was modified with 4 transistors.
The Zenith Model 75-X measured 2¾" x 1¾" x 11/16" thick, and weighed
2¾ oz. with battery. The case was
The rectangular microphone grill was in the front center of the case
with the name "Zenith" below it.
When it was new the Model 75-X sold for $75.00.