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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