Cortiton Model TH-?? Transistor (Body) Hearing Aid
This Cortiton Model TH-?? (unknown model number) transistor hearing aid was made by the
Cortiton Hochoki Co. of Tokyo, Japan around 1970.
The Model TH-?? measured
3" x 2" x ¾" (7.7 x 5.2 x 2.2 cm)
and weighed 3.6 oz (104 g) without the battery. It had a light gold
anodized aluminum case over a black plastic chassis.
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Top left view of the Cortiton Model TH-?? showing the on-off switch with
integrated two-position tone (?) and t-coil switch shown in the off
position.
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The right view of the Cortiton Model TH-?? showing the 1-7 volume control
wheel.
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Front view of the Cortiton Model TH-?? showing its unusually-shaped and
positioned mic grill (bottom right) and its angular gold-colored pocket
clip.
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The Cortiton Model TH-?? logo is at the upper front center.
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The back of the Cortiton Model TH-??. The back was held on by the screw
with the two holes in it (center right) so no one without this special
tool could take it off.
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Bottom view of the Cortiton Model TH-?? showing the screw-on brass lid to
the battery compartment.
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The battery compartment of the Cortiton Model TH-?? with the lid screwed
off. This hearing aid took a single AA (R6) sized battery. Near the
bottom right corner is engraved in tiny letters, "Made in Japan". |
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Top view of the Cortiton Model TH-?? showing the rather unusual round
3/32" (2.5 mm) earphone jack (center) and plug at a time when most
hearing aids used a two-pronged plug and jack.
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