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 W Transistor (Body) Hearing Aid

The Maico Model W was manufactured by Maico Electronics, Inc. of Minneapolis, MN in 1955.  The name "Maico" was derived from the initials of the Medical Acoustic Instrument Company.

It was a 5-transistor hearing aid and had a t-coil. It measured 2½" x 1¾" x ¾" thick.

The microphone is on the top front. There are 3 little vertical slits to let the sound in.

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Side view of the Model W showing the volume control/on-off switch on the middle of the right side. (bottom center). The 2-position t-coil switch ("T" t-coil, "M" microphone) is located on the right side above the volume control knob. (The red paint was put there by a previous owner to indicate the off position.)


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



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