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.


Body Type Transistor Hearing Aids

Maico Model AL Transistor (Body/Barrette) Hearing Aid

The Maico Model AL Body or Barrette-style hearing aid was manufactured by Maico Electronics, Inc. of Minneapolis, MN in 1959.  The name "Maico" was derived from the initials of the Medical Acoustic Instrument Company.

The Model AL was a 7-transistor (push-pull amplifier) hearing aid. The front of the case was anodized aluminum, and the back was beige-colored plastic. It measured 1¾" x 1" x ⅜" thick.

The top picture shows the Maico Model AL in the body aid configuration. Notice the pocket clip on the aid and the long earpiece cord.

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This picture shows the Maico Model AL in the barrette configuration. Notice the absence of the pocket clip. (the barrette clip is on the back—see picture below) and the short 8½" long cord since in this configuration the hearing aid was worn in the hair close to the ear.


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The rear view of the Maico Model AL barrette version showing the barrette clip for holding this hearing aid in a woman's hair.

The battery compartment (bottom half) contained a 1.35 volt Number 625 "button" mercury battery.


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Top view of the Maico Model AL body version showing the microphone (top left), volume control (top right front) and on-off switch (top right rear).

On the case above the volume control is inscribed the word "LOW" and immediately behind it and beside the on-off switch is the word "OFF".

The metal pocket clip runs down the center.



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