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| On-line 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! | | | |
| 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. |  | Click picture for larger view | | | | | | | 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. |  | Click picture for larger view | | | | 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. |  | Click picture for larger view | | |
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