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

Zenith "Pacemaker EPII" Behind-the-Ear Hearing Aid

The Zenith "Pacemaker EPII" behind-the-ear hearing aid was manufactured by the hearing aid division of the Zenith Radio Corp in 1973. It contained an integrated circuit.

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Rear view of the Zenith "Pacemaker EPII" showing the M (microphone) T (t-coil) switch (upper left), the hole for adjusting the tone by screwdriver (center left), the closed battery door, which also served as the on-off switch, (center right) and the horizontal volume control (bottom).


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Side view of the Zenith "Pacemaker EPII" showing the pulled-down battery door. This hearing aid used a No. 675 battery.

 

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Bottom view of the Zenith "Pacemaker EPII" showing the microphone port in the center of the bottom. It had an electret microphone.

 

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Side view of the Zenith "Pacemaker EPII" showing its size.

 

 

 


 

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