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 E30V Behind-the-Ear Transistor Hearing Aid

The Oticon Model E30V BTE hearing aid was manufactured by Oticon A/S in Denmark in 1984.

The microphone grill is just above the ear hook (left).

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The back view of the Oticon Model E30V showing the volume control (middle) and the 3-position "M" (microphone), "T" (t-coil) and "O" off switch (shown in off position).

 


 

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View of the Oticon Model E30V showing the battery door. This hearing aid used a No. 675 battery.

 


 

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