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 5" Behind-the-Ear Hearing Aid

The Zenith "Diplomat 5" was a four transistor BTE aid manufactured in 1959.

It was considerably smaller than its 1956 predecessor and measured just 2¼" by 5/8".

Like the previous model, it also had an external receiver and used a 675 battery.


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One of the interesting things was that you could unplug the receiver cord—shown unplugged at the right.

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The Zenith "Diplomat 5" BTE hearing aid in its carrying case.

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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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