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.

 

Body Type Transistor Hearing Aids

Beltone Model D "Dulcet"  Transistor (Body) Hearing Aid

The Beltone Model D "Dulcet" was produced by the Beltone Electronics Corp. of Chicago, IL in 1955.

It measured 2 9/16” by 1⅝” by ⅝” and weighed 3 oz with its battery. It used 3 transistors.

The case was chrome front and back over a black plastic chassis—visible on all sides. Gold-colored pocket clips are on the front near each side.

The gold-colored rectangular microphone grill is at the top front.

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Top view of the Beltone Model D showing the receiver cord jack (left). The square hole above the right side of the receiver jack was for a protrusion on the receiver cord plug so it couldn't be plugged in wrong.

 

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Right side view of the Model D showing the volume control/on-off switch.

 

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Rear view of the Model D showing the make engraved in the case "Beltone".

Note the dot hole in the center was apparently not used with this model.

 

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View of the battery compartment of the Beltone Model D showing the model number "Model D" and serial number in the bottom of the battery compartment.

 

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View of the battery compartment of the Beltone Model D showing the battery in place. It used an E401E 1.4 volt mercury battery.

The battery compartment door is hinged at the top and swings upward.

 

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The Beltone Model D in its original case.

 

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Outside view of the original case of the Beltone Model D.

 


 

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