Zenith "Vocalizer" Transistor (Body) Hearing Aid
The Zenith "Vocalizer" transistor body-style hearing aid was manufactured by the
Hearing Aid Division of the Zenith Radio Corp. in 1965. It contained 6
transistors.
The Zenith "Vocalizer" measured 2˝" x 1⅝" x 11/16" (6.4 x 4.2 x 1.7 cm), and
weighed 1.5 oz. (42 g) without the battery.
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The attractive case of the Zenith "Vocalizer" was shiny aluminum with a brown wood-grain insert
on the bottom half of the front. The microphone grill was an inverted
keystone shape with the Zenith logo in a circle on the front. The wire
pocket clip frames the microphone grill.
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Top view of the Zenith "Vocalizer" transistor hearing aid showing the
3 position "B" (both microphone and t-coil), "T" (t-coil) and "M"
(microphone) switch (left), and the 1 to 7 volume
control/on-off switch (right).
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The left side of the Zenith "Vocalizer" transistor hearing aid showing the
3-hole receiver cord jack (middle). The receiver and receiver cord are
missing. |
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Rear view of the Zenith "Vocalizer" transistor hearing aid showing the
make and model as well as the serial number on the battery compartment
door (bottom).
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Close-up view of the back of the Zenith "Vocalizer" transistor hearing
aid showing the labels for the volume control (top left) and
microphone/t-coil switch (top right). Below them is the name "Zenith"
and model "Vocalizer".
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View of lower back of the Zenith "Vocalizer" transistor hearing aid showing the
open battery compartment door.
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View of the Zenith "Vocalizer" transistor hearing aid battery
compartment showing the
battery in place. This
hearing aid took an "N" size 1.4 volt No.
401 mercury battery.
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The note on the inside of the battery compartment door of the Zenith "Vocalizer"
transistor hearing aid reads, "Note: Unit designed for Mercury-Type 401
Batteries. Suggest ZM-401 for best results."
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