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.

 

Eyeglass Style Transistor Hearing Aids: 1954-1990

Zenith "Challenger" Eyeglass Hearing Aids

The Zenith "Challenger" eyeglass hearing aids were manufactured by the Hearing Aid Division of the Zenith Radio Corp. in 1958. This hearing aid used 3 transistors.

Each temple-piece contains a separate hearing aid.

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Top view of the Zenith "Challenger"  eyeglass hearing aids. Note the volume controls at the top of the bend of the temple pieces.


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Outside view of the Zenith "Challenger" temple-pieces. The white nubbin just ahead of the bend in the temple-pieces is where the ear mold tube attaches.

 

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Close up of the end of the right temple-piece showing the microphone port (hole near top).

 

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Close up of the end of the right temple-piece showing the opened battery door. The Zenith "Challenger" used a 625 mercury "button" battery.

Note the volume control on the top of the temple piece (right side).

 


 

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