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

Zenith "Ultra Royal T" Transistor (Body) Hearing Aid

The Zenith "Ultra Royal T" transistor hearing aid was manufactured by the Hearing Aid Division of the Zenith Radio Corp. in 1954. It was a 3-transistor aid.

Its gold anodized aluminum metal case measured 4½" x 2¼" x ⅞" thick, and weighed a total of 6½ oz. with batteries.

The microphone grill is the large black round circle with the Zenith crest in its center (upper front center).

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Top view of the Zenith "Ultra Royal T" showing the 4-position tone control (left), the receiver cord jack (center) and the 1-7 volume control/on-off switch (right).

The tone control was labeled "M" (Mid), "L" (low), "F" (full), "H" (high).
 


 

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Right side view of the Zenith "Ultra Royal T" showing the volume control (left), the external microphone jack (left of center), the "TEL" (telephone or t-coil) and "MIKE" (microphone) switch (center) and the thumb-nail slot (labeled "LIFT") to open the battery compartment door (right of center).

 

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The back of the Zenith "Ultra Royal T" swings to the right revealing the battery compartment (bottom half).

The Zenith "Ultra Royal T" used three 1½ volt carbon-zinc batteries (AA size) hooked in series to give a total of 4½ volts in order to increase the power output.

 

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Rear view of the Zenith "Ultra Royal T". Engraved into the upper back, on separate lines, are the words, "Zenith", "Ultra Royal", "T", "the royalty of hearing".

 

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The Zenith "Ultra Royal T" in its original carrying case.

 

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Top view of the Zenith's "Ultra Royal T" carrying case.

 

 

 

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