Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

The Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid.

 

Behind the Ear (BTE) Transistor Hearing Aids

Zenith "Diplomat" Behind-the-Ear Hearing Aid

The "Diplomat" was Zenith's first BTE hearing aid. It came onto the market in June of 1956.

The Zenith "Diplomat" used four transistors and had an external receiver. The example shown to the right was probably manufactured in 1957.

The case measures 2¾" by ¾" and was sometimes referred to as the "Banana" because of its large size.

It used a No. 675 battery.

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A view of the Zenith "Diplomat" showing the side that goes against your head.

A hard plastic ear mold (see in picture below) snaps on to the red button receiver.


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The Zenith "Diplomat" had a removable receiver cord shown unplugged from the aid at right. (The receiver cord also could be unplugged at the receiver end too.

 

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The Zenith "Diplomat" in its original case.

 

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Outside view of the case for the Zenith "Diplomat".

 

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A comparison of the larger Zenith "Diplomat" of 1956 (left) and the smaller Zenith "Diplomat" of 1959 (right).

 

 


 

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