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

Willco "Monarch" EL-PC Transistor (Body) Hearing Aid

The Willco "Monarch" EL-PC transistor hearing aid was manufactured by Willco Horgerate GmbH. of Germany in 1966.

This hearing aid measured 2¾" x 2⅛" x ¾" thick.

The cord and receiver (earpiece) are shown to the right. The ear mold is snapped to the receiver.

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The top of the Monarch EL-PC showing the microphone (left), the volume control (top right) and the t-coil switch (below the volume control). It had 3 positions—"T" t-coil only, "TM" t-coil and microphone at the same time, and "M" microphone only.


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The battery compartment showing two No. 1015 (AA size)  batteries (right).

On the left are two "screwdriver" controls. The tone (center left) could be set to L (low), N (normal) and H (high). The power output (bottom left) could be set to any value between the minimum and maximum to fit the person's specific hearing loss.




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