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

Widex Model S-21 Transistor (Body) Hearing Aid

The Widex Model S-21 Transistor (Body) hearing aid was made by  Toepholm & Westermann A/S of Copenhagen, Denmark and sold under the trade name of Widex. It was distributed in the USA by the Widex Hearing Aid Co., Inc.

The Widex Model S-21 was manufactured about 1980.

It measured 2⅝" x 1 11/16" x 11/16" (6.7 x 4.3 x 1.8 cm) and weighed 1.9 oz. (55 g) with battery.

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Back

 
Top view of the Widex Model S-21 Transistor (Body) hearing aid showing the 1-9 volume control (left), the microphone grill (center) and  the on (+)/off (0) switch (right) shown in the off position.


 

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Right side view of the Widex Model S-21 Transistor (Body) hearing aid showing the receiver cord jack (left), the t-coil combination switch (T - MT) to the right of it, the two-position (H-high & N-normal) tone control and at the right the M-microphone & T-t-coil switch.

The tiny T/MT switch at the left was not easy to switch, so it appears it was meant to be set one way or the other by the dispenser and left that way.

If it was set to "T", when you set the M/T switch on the right to "T", you only heard via the t-coil. However, if it was set to "MT" (for both microphone and t-coil) when you set the M/T switch on the right to "T", you heard via the microphone and the t-coil at the same time. This was a rather unusual arrangement. The common arrangement was to have a three-position switch with "M", "MT" & "T".

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Left side view of the Widex Model S-21 Transistor (Body) hearing aid showing the volume control (left) and the brand name (Widex) and country of origin (Denmark) (right).


 

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Bottom view of the Widex Model S-21 Transistor (Body) hearing aid showing the model number (S21) (left), serial number (090212) and an Audio jack (right). The "Audio" jack was probably a direct audio input (DAI) jack, so you could use a patch cord from any audio device and hear it via your hearing aid.

This was another unusual feature of this (or any) body hearing aid.
 

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Rear view of the Widex Model S-21 Transistor (Body) hearing aid showing the dark colored battery door on the right half of the back.

 


 

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Left side view of the Widex Model S-21 Transistor (Body) hearing aid showing how the battery door opened. The battery went with the positive terminal to the top.


 

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Left side view of the Widex Model S-21 Transistor (Body) hearing aid showing a battery in the battery compartment.

This hearing aid used a standard AA 1˝ volt battery for its power.


 

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View of the receiver and receiver cord of the Widex Model S-21 Transistor (Body) hearing aid. Note they used a three-pronged plug at the hearing aid end (bottom).


 

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View of the Widex Model S-21 Transistor (Body) hearing aid in its original case.

 

 

 

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View of the outside of the case of the Widex Model S-21 Transistor (Body) hearing aid.

 

 

 

 

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