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 "Sonata" Behind-the-Ear Hearing Aid

The Beltone "Sonata" behind-the-ear hearing aid was produced by the Beltone Electronics Corp. of Chicago, IL beginning in 1975. The hearing aid at the right was made in 1978. On the upper underside there is stamped the serial number "X96148" and the year "1978".

The "Sonata" came with a directional microphone. The forward-facing microphone port is in the clear plastic above the ear hook. The black dot (upper center) is the rear microphone port.

The words "Beltone" and "Sonata" are stamped on the left side of the case (right).

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

The volume control is visible, sticking out of the bottom to the right of the battery door.


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View of the Beltone "Sonata" showing its size.




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