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

Danavox Model 115 PP  Behind-the-Ear Hearing Aid

This Danavox Model 115 PP behind-the-ear hearing aid was manufactured by Danavox International A/S of Copenhagen, Denmark about 1984.

This hearing aid measured 1¾" long x ⅝" wide by ⅜" thick (4.4 x 1.6 x 0.9 cm).

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Right side view of the Danavox Model 115 PP behind-the-ear hearing aid showing the ear hook (right) where the ear mold attaches.

 

 

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Left side view of the Danavox Model 115 PP behind-the-ear hearing aid showing the name and model number on the front.

 


 

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Close-up view of the front of the Danavox Model 115 PP behind-the-ear hearing aid showing the name (Danavox), model number (115 PP) and the country of origin (Denmark).

The PP in the Model number stands for Push-Pull, denoting this hearing aid uses a push-pull amplifier to amplify the sounds.

 

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Close-up view of the top of the Danavox Model 115 PP BTE hearing aid showing the forward-facing, round microphone port just below the ear hook.

 

 

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Rear view of the Danavox Model 115 PP behind-the-ear hearing aid showing the volume control (top), the adjusting screw door (center) and the M - microphone, T - t-coil  and O - off switch (shown in the O position).

 


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Close-up view of the back of the Danavox Model 115 PP BTE hearing aid showing the adjusting screw door opened to reveal the adjusting screws.

 

 

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Close-up view of the back of the Danavox Model 115 PP BTE hearing aid with the adjusting screw door opened showing the two adjusting screws. The upper one is the power (P) screw and the lower one is for either normal (N) or high-frequency emphasis (H).

Above the adjusting screws is the volume control wheel. It only shows the numbers 3, 6 and 9 to give you and idea of the volume at which you have the hearing aid set.
 

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Close-up view of the bottom of the Danavox Model 115 PP BTE hearing aid showing the thumb hook on the battery door so you could get it open.

 

 

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Close-up view of the bottom of the Danavox Model 115 PP BTE hearing aid showing the battery door fully open. It swung down from the top.

 

 

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Close-up view of the bottom of the Danavox Model 115 PP behind-the-ear hearing aid showing the battery compartment door partially open revealing the battery in place. This hearing aid took a No. 675 battery.

 

 

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Bottom view of the Danavox Model 115 PP behind-the-ear hearing aid showing the serial number (LT83351) on the bottom of the battery compartment door.

 

 


 

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