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.

 

Digital Hearing Aids

Oticon Delta Digital Hearing Aid

The Oticon Delta is a relatively new concept in "open fitting" hearing aid design. Introduced in 2006, it targets those with mild high frequency hearing loss, (about 20 – 30 percent of the hearing aid market).

The Delta consists of two parts—the electronic amplifier, enclosed in a tiny delta shaped behind-the-ear aid, and a tiny transducer (receiver) so small that it fits entirely in the ear canal close to the ear drum and is connected to the hearing aid by a very fine, almost invisible copper wire.

The unit shown in the picture is not an actual hearing aid, but rather a display sample produced by Oticon to distribute to prospective consumers.

Click picture for larger view

 

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