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

Dahlberg D-6 "Standard" Hearing Aid

The Dahlberg D-6 "Standard" all transistor hearing aid was produced by Dahlberg Electronics, Inc. of Minneapolis in 1953. It was enclosed in a gold anodized case measuring 2½" x 1¾" x ⅞". This hearing aid weighed just 4 oz. with its RM-1 mercury battery.

This D-6 "Standard" hearing aid used 2 Raytheon 784s and one Raytheon 785 transistors.

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A single 1.4 Volt RM-1 mercury battery powered this hearing aid. This picture shows the back opened revealing the battery compartment (bottom left).

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The Dahlberg D-6 in its original case.

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