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!

Home Enter the Museum About Us Contact Us

FREE Subscription to:
Hearing Loss Help
The premier e-zine for people with hearing loss

Your email address
will never be
rented, traded or sold!

Your First Name:
Your E-mail:
Search this site:

 Results per
 page

 all words
 any words


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 Model 85-X Transistor (Body) Hearing Aid

The Zenith Model 85-X transistor tearing aid was manufactured by the Hearing Aid Division of the Zenith Radio Corp. in 1955. It was an 8-transistor aid.

The Zenith Model 85-X measured 2 9/16" x 1¾" x ⅝" thick, and weighed 2 oz. with battery. The case was anodized gold-colored aluminum.

Click picture for larger view

 

Back Next

 
Front view of the Zenith Model 85-X showing the rectangular microphone grill with the Zenith logo in its center (upper front center). Below that is the t-coil logo showing the position of the internal t-coil. At this time, Zenith referred to the t-coil as a "phone magnet".

Note the wire pocket clip the surrounds the microphone grill except on the top.

 

Click picture for larger view

 
Top view of the Zenith Model 85-X showing the 1 to 7 volume control/on-off switch (top front right) and the 4-position "H" (high), "M" (mid), "L" (low) and "F" (full) tone control (top front left). Behind the tone control is the "M" (microphone) and "T" (t-coil) switch (top rear left). In the center is the receiver cord jack.
 

Click picture for larger view

 
Rear view of the Zenith Model 85-X hearing aid. Engraved into the back it reads "Zenith", "85-X" and "Royalty of Hearing".

 

 

Click picture for larger view

 
Rear view of the Zenith 85-X showing the battery door which opened from the bottom of the case.

 

 

Click picture for larger view

 

Rear view of the Zenith 85-X showing a battery installed in the battery compartment.

The Zenith Model 85-X took an "N" size 1.4 volt No. 401 mercury battery.

 

Click picture for larger view

 
Side view of the Zenith Model 85-X receiver showing the the two-pronged plug on the receiver cord, and jack on the receiver.

 

 

Click picture for larger view

 
Top view of the Zenith Model 85-X receiver showing the receiver cord plugged into it. Note the distinctive design of Zenith receivers at this time.

 

 

Click picture for larger view

 
Front view of the Zenith Model 85-X receiver. Note the red plastic washer around the nubbin. This washer made a tight fit so the sound wouldn't leak out and cause feedback.

Att he top is the model number of this receiver—T-1.

 

Click picture for larger view

 
Front view of the Zenith Model 85-X receiver and ear mold shown here snapped apart. The ear mold snapped on to the nubbin in the center.

 

 

Click picture for larger view

 
Side view of the Zenith Model 85-X receiver and ear mold shown snapped together.

 

 

 

 

Click picture for larger view

 

(If a larger picture doesn't appear, you may have to turn your pop-up blocker off)