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.

 

Behind the Ear (BTE) Transistor Hearing Aids

Oticon Model E36 Behind-the-Ear Transistor Hearing Aid

The Oticon Model E36 BTE hearing aid was manufactured by Oticon A/S in Denmark in 1990.

You can see the microphone grill immediately above the ear hook (right).

The Oticon Model E36 had no volume control. The volume was set up at the time of fitting.
 

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Rear view of the Oticon Model E36 showing  the internal controls with the cover plate removed. Below it is the 3-position "M" (microphone), "T" (t-coil) and "O" off switch (shown in off position).

The setting controls are: the green screw (top) sets the hearing threshold level (35 to 75 dB); the white screw (middle) sets the maximum gain (power) from 30 to 90 dB; the red screw (bottom) sets the ... from 0 to -20 dB.

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View of the Oticon Model E36 showing the battery compartment. This hearing aid used a No. 13 battery.

 


 

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View of the Oticon Model E36 showing its size.

 


 

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