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 R Transistor (Body) Hearing Aid

The Maico Model R was manufactured by Maico Electronics, Inc. of Minneapolis, MN in 1954.  The name "Maico" was derived from the initials of the Medical Acoustic Instrument Company.

It was a 3-transistor hearing aid. The front of the case was stainless steel and the back plastic. It measured 2½" x 1¾" x ¾" thick.

The microphone was located on the front near the top. There are 4 little horizontal slots to let the sound in.

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Side view of the Maico Model R showing the on-off/volume control wheel (right side, center).

 

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The Maico Model R used a 1.4 volt number 401 mercury battery.

 

 

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