Assistive Listening Knowledge Base
  • Standard amendment (public catalogue)

IEC 60118-4:1981/AMD1:1998 Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

From https://assistivelisteningknowledgebase.org/evidence/iec-60118-4-1998-amendment/ · record checked 13 October 2026

  • IEC TC 29
  • International Electrotechnical Commission

Standards body (International Electrotechnical Commission)

Summary

The catalogue dates the amendment to the first hearing-loop standard and its later withdrawal.

Key findings

  • Amendment 1 was published on 5 June 1998; the catalogue lists three pages.
  • The catalogue gives 27 October 2006 as its withdrawal date.

Limits

The public catalogue gives no technical account of the amendment. The paid text was not read, so the changed limits or methods cannot be reported.

Read the original

webstore.iec.ch/en/publication/13425

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Cited in

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Cite this source

IEC TC 29. IEC 60118-4:1981/AMD1:1998 Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes. International Electrotechnical Commission. 5 June 1998. https://webstore.iec.ch/en/publication/13425 (accessed 13 October 2026).

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