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

Acousticon Model A-600 "Privat Ear" Behind-the-Ear Hearing Aid

The Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid was produced by Dictograph Products Inc. of New York, NY  in 1958.

This 3-transistor hearing aid design was such that there were both left and right models. Shown here is the model for the right ear.

This hearing aid measured 1⅞" x ⅝" x 7/16" (4.8 x 1.7 x 1.1 cm).

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Top view of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing how the ear hook was fastened to the hearing aid body.

 

 

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Right side view of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing the ear hook. Missing is the ear mold that slipped on to the end of the ear hook.
 

 

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Lower front view of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing the position of the microphone port (small black hole near center).

 

 

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View of back of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing the volume control slider/on-off switch (in the "off" position.

 

 

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Rear view of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing the round battery compartment door (center) and the sliding latch on the door to hold it shut.

The serial number (13013) is upside down at the very top.

 

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View of back of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing the battery compartment door opened.

This hearing aid used a No. 675 mercury battery.

 

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Close-up view of bottom back of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid showing the make (Acousticon) and model (A600) of this hearing aid.

Acousticon referred to this hearing aid as the "Privat Ear". This name was also used for models A-610 and A-620.

 

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View of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid in it's carrying case.

 
 

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Outside view of the attractive imitation alligator leather carrying case of the Acousticon Model A-600 "Privat Ear" behind-the-ear hearing aid.

The case measured 3 5/16" x 2 9/16" x 1⅜ " (8.4 x 6.5 x 3.5 cm).

 


 

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