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

Beltone "Etude" Behind-the-Ear Hearing Aid

The Beltone "Etude" behind-the-ear hearing aid was produced by the Beltone Electronics Corp. of Chicago, IL in 1972.

This hearing aid used 8 transistors in an integrated circuit and a push-pull (PP) amplifier.

The forward-facing microphone port is in the clear plastic above the ear hook. This aid used a ceramic microphone.

The "Etude" could be fitted with an optional t-coil.

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Outside view of the Beltone "Etude" showing the battery door which swung up from the bottom. This hearing aid used a No. 13 battery. The battery door acted as the on-off switch.

The volume control was at the bottom to the right of the battery door.


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View of the Beltone "Etude" showing its size.

The words "Beltone" and "Etude" are molded in the side of the case (right).



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