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

Toshiba Model THA-1002 Transistor (Body) Hearing Aid

The Toshiba Model THA-1002 transistor body hearing aid was manufactured by the Tokyo Shibaura Electric Co., Ltd. in Tokyo, Japan in 1961 and was distributed under the "Toshiba" trade name  by Transistor World Corporation of New York, NY.

This 4-transistor hearing aid measured 2 15/16" x 2" x 11/16" (7.5 x 5.0 x 1.7 cm) and weighed 2.6 oz (74 g) without the battery.

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Front view of the Toshiba Model THA-1002 transistor hearing aid showing the Toshiba name (top) and below it the dark green triangular-shaped microphone grill. The large "V"-shaped wire pocket clip is in the center.

Note that this microphone grill is green (in contrast to the model THA-1001 which had a brown grill).

 

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Top view of the Toshiba Model THA-1002 transistor hearing aid showing the volume control wheel (left), the black push button to release the back cover (center) and the receiver cord jack (right). Below the volume control wheel is the tone control lever (lower left).

 

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Close-up view of the top left corner of the Toshiba Model THA-1002 transistor hearing aid showing the 0-10 volume control/on-off wheel (center) and the three-position tone ontrol lever below it (shown in the low tone position).

 

 

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Rear view of the Toshiba Model THA-1002 transistor hearing aid. The whole back comes off to reveal the battery compartment.

Note in the top left corner the letters "L" (low), "M" (medium) and "H" (high) for indicating the tone setting.

Near the bottom are stamped the words "Toshiba" (in script), and below that the model number (THA-1002), and below that the name of the manufacturer (Tokyo Shibaura Electric Co., Ltd.) and "Japan".

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Bottom view of the Toshiba Model THA-1002 transistor hearing aid.

 

 

 

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Right side view of the Toshiba Model THA-1002 transistor hearing aid showing the "Tel" (telephone t-coil) and "Mic" (microphone) switch (center) shown here in the "Tel" position.

 

 

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Rear view of the Toshiba Model THA-1002 transistor hearing aid with the back cover off revealing the battery compartment (lower right).

Note the three-position tone control mechanism (top left) shown in the "M" (medium) position.

 

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Close-up view of the Toshiba Model THA-1002 transistor hearing aid battery compartment. This hearing aid used a single AA battery, either mercury or carbon-zinc.

 

 

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View of the Toshiba Model THA-1002 transistor hearing aid battery compartment with an Eveready No. 915 battery in place.

 

 

 

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Lower inside view of the back of the Toshiba Model THA-1002 transistor hearing aid showing the only number on this device (95-2)—obviously too short to be the serial number.

 

 

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View of the top left corner of the receiver of the Toshiba Model THA-1002 transistor hearing aid showing the receiver cord jack.

 

 

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Top left corner of the Toshiba Model THA-1002 transistor hearing aid showing the receiver cord plugged into the jack.

 

 

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Top left corner of the Toshiba Model THA-1002 transistor hearing aid showing the receiver cord unplugged.

 

 

 

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Front view of the receiver cord plug of the Toshiba Model THA-1002 transistor hearing aid. Note that the left pin is larger in diameter than the right pin in order to preserve correct polarity. Also note that the pins are offset to the right so the pins wouldn't fit into the jack if you tried to put them in backwards.

On the front of the plug is the name "Toshiba" in script and below that "Japan".

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Rear view of the receiver cord plug of the Toshiba Model THA-1002 transistor hearing aid showing the part number on this plug (50133-2). Note: some plugs don't have this number on them.

 

 

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Rear view of the receiver of the Toshiba Model THA-1001 transistor hearing aid.

This receiver measured 13/16" (2.1 cm) in diameter.

 

 

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Front view of the receiver of the Toshiba Model THA-1001 transistor hearing aid showing the name "Denmark" (left). Toshiba probably purchased these receivers from Oticon in Denmark.

The ear mold (whether stock or custom) snapped onto the nubbin in the center of the receiver.

 

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Side view of the receiver of the Toshiba Model THA-1002 transistor hearing aid showing a stock ear mold attached.

 

 

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Side view of the receiver of the Toshiba Model THA-1002 transistor hearing aid showing a custom ear mold attached.

 

 

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Close-up view of the custom (left) and stock (right) ear molds showing how much better the custom ear molds fitted in a person's ear canal. The stock ear molds could much more easily fall out.

 

 

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Front view of the brown leather case with the Toshiba Model THA-1001 transistor hearing aid in it.

 

 

 

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Rear view of the brown leather case with the Toshiba Model THA-1001 transistor hearing aid in it.

 

 

 


 

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