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.

 

Behind the Ear (BTE) Transistor Hearing Aids

Oticon Model E35 Behind-the-Ear Transistor Hearing Aid

The Oticon Model E35 BTE hearing aid was manufactured by Oticon A/S in Denmark in 1985.

You can see the microphone grill immediately above the ear hook (left).

Click picture for larger view

 

Back Next

 

Rear view of the Oticon Model E35 showing the volume control (top), the setting controls with cover removed (middle) and the and the 3-position "M" (microphone), "T" (t-coil) and "O" off switch (shown in off position).

The setting controls are: the green screw (top) sets the degree of high frequency amplification (1—gently sloping high frequency loss to 4—ski-slope hearing loss); the red screw (middle) sets the maximum gain (power) from 40 to 80 dB; the black screw (bottom) sets the AGC (automatic gain control) from 0 to 27 dB.

Click picture for larger view

 
Rear view of the Oticon Model E35 with the setting controls cover in place.


Click picture for larger view

 
The Oticon Model E35 showing the battery compartment. This hearing aid used a No. 13 battery.


 

Click picture for larger view

 

View of the Oticon Model E35 showing its size.

 


 

Click picture for larger view

 

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