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.


Behind-the-Ear (BTE) Transistor Hearing Aids

Widex Quattro Model Q-32 Behind-the-Ear (BTE) Transistor Hearing Aid

The Widex Quattro was a digitally-programmable analog hearing aid. It allowed the person fitting the hearing aid to program it for maximum power output, gain, low and high cut filters and an inverse presbycusis filter.

Like the Q-8, the Q-32 model featured a toggle lever to control volume (push up to increase volume, push down to decrease it) rather than the usual wheel type used on most BTEs (see above picture where the toggle is sticking up on the middle back of the hearing aid).

The Widex Quattro Q-32 was the biggest in size and most powerful of the Quattro series. It was the high power version used for severe to profound hearing losses.

There was also a Q-16 intermediate model between the Q-8/Q-9 and the Q-16 models for moderately-severe hearing losses.

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All models of Quattro hearing aids came with one of two styles of remote control units. The larger model, which came in maroon or grey, is shown here. This remote measures 3¾" x 2 3/16" x 9/16".

Here is the Widex Quattro manual. (Be patient as it is about 17 Mb so takes a few seconds to download and open.) Pages numbered 9 and 10 explain the use of the (large) remote control.

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Back of the large remote showing the battery compartment and the three AAA batteries that powered it.


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The smaller model, which came in black, is shown here. This remote measures 3" x 1 13/16" x ¼". It was powered by two CR-2032 lithium batteries.


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The remotes, which offered four memory choices, also served as the programming unit for their hearing aids. The hearing aid fitter inserted a programming key (shown on the right) into the slot (center), set the parameters and then locked these parameters in by removing this key.


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The two remotes beside each other for comparison in size and placement of controls. The buttons have the same function, but the layout between the two models is slightly different. The "M" and "T" buttons lie between the left and right volume control buttons on the smaller unit instead of below them.


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The Widex Quattro Q-32 (left) beside the Q-9 (right) showing their relative sizes (bottom picture).



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