Zenith "Dynamic Range" Transistor (Body) Hearing Aid
The Zenith "Dynamic Range" Transistor Hearing Aid was manufactured by the
Hearing Aid Division of the Zenith Radio Corp. in 1971. It was an 8-transistor aid.
The Zenith "Dynamic Range" measured 2˝" x 1⅝" x 15/16" thick, and
weighed 2 oz. with battery. The case has a gold-colored anodized
aluminum front and a tan-colored plastic back over a dark brown chassis.
The horizontal rectangular microphone grill was along the top front of the
hearing aid, and just below it was the wire pocket clip.
|
 |
Click picture for larger view |
| |
 
|
| |
|
Top view of the Zenith "Dynamic Range" showing the 1 to 6 volume
control/on-off switch (top left) and the 3 position "M" (microphone),
"MT" (microphone and t-coil at the same time) and "T" (t-coil) switch
(top right).
|
 |
Click picture for larger view |
| |
|
|
The left side of the Zenith "Dynamic Range" showing the 3-pin receiver
cord jack (center). |
 |
Click picture for larger view |
| |
|
|
Rear view of the Zenith "Dynamic Range" hearing aid showing the
battery door partially opened from the bottom of the case. The Zenith
"Dynamic Range" took an "N" size 1.4 volt No.
401 mercury battery. |
 |
Click picture for larger view |
| |
|
|
Rear view of the Zenith "Dynamic Range" hearing aid.
|
 |
Click picture for larger view |
| |
|
(If a larger picture doesn't appear, you may have to
turn your pop-up blocker off)
|
|
|
