AS 1088.4-1987

[Superseded]

Hearing aids, Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, in order to give an adequate signal-to-noise ratio without overloading the hearing aid. Technically identical with IEC Publication 118-4.

Published: 01/01/1987

Pages: 2

Content history

AS 60118.4-2007

[Withdrawn]

IEC 60118-4:1981

[Superseded]

AS 1088-1971

[Superseded]

IEC 118-4

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