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 MultiFocus Compact Behind-the-Ear Transistor Hearing Aid

The Oticon MultiFocus Compact BTE hearing aid was manufactured by Oticon A/S in Denmark in 1993.

The microphone ports are in the side of the ear hook.

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The back view of the Oticon MultiFocus Compact showing the adjustment section (middle) and the the 3-position "M" (microphone), "T" (t-coil) and "O" off switch (shown in off position).

There are 3 adjustment screws. The top screw (blue)..... The middle screw (white) adjusts the overall gain (30 to 90 dB). The lower screw (red) adjust the peak clipping level (70 to 90 dB).
 

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View of the Oticon MultiFocus Compact showing the battery compartment. This hearing aid took a No. 675 battery.


 

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The back view of the Oticon MultiFocus Compact showing  its size. The adjusting screws are covered by the faceplate.

 


 

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