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

Paravox Model K Transistor  Body Hearing Aid

The Paravox Hearing Aid Company of Cleveland, Ohio manufactured the Paravox Model K transistor hearing aid in 1953. It was one of a range of Paravox hearing aids of the time that had a very attractive brushed aluminum case.

The model K had a slightly raised microphone grill on the front and a volume control top center. There were spring pocket clips on either side.

It measured 2⅞” by 1¾” by ⅞” and weighed 3½ oz. with battery.

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The Model K hearing aid could be configured for either one or two 1.4 volt RM-1 mercury cells. The hearing aid shown here was configured for only one battery. The battery fit on the bottom left, and a non-removable spacer filled the 2nd battery compartment (bottom right).


 

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Another Paravox Model K in its original case along with its original invoice.


 

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The Paravox Model K hearing aid sold for $185.00 according to this August 5, 1954 invoice.

The buyer was given a $10.00 trade-in on his previous hearing aid, and charged sales tax of $5.55 then given a tax refund of $1.47 so his final cost was $179.08.

 


 

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