BS EN 60118-4:1998

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Hearing aids – Magnetic field strength in audio-frequency induction loops for hearing aid purposes

Published By	Publication Date	Number of Pages
BSI	1998	10

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Categories: 17.140.50 - Electroacoustics, BSI

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Description

Gives a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes that will give an adequate signal-to-noise ratio without overloading the hearing aid.

Additional information

Status	Withdrawn
Title	Hearing aids – Magnetic field strength in audio-frequency induction loops for hearing aid purposes
Replaces	BS 6083-4:1981
Publisher	BSI
Committee	EPL/29
Pages	10
Publication Date	1998-11-15
Withdrawn Date	2007-01-31
Replaced By	BS EN 60118-4:2006
ISBN	0 580 30681 X
Standard Number	BS EN 60118-4:1998, IEC 60118-4:1981
Identical National Standard Of	IEC 60118-4:1981, EN 60118-4:1998
Descriptors	Hearing aids, Audio-frequency induction-loop systems, Magnetic field measurement, Magnetic field strength, Acoustoelectric devices, Magnetic devices, Frequency response, Acoustics, Signal transmission, Signal-to-noise ratio, Audiofrequencies, Noise (spurious signals)
ICS Codes	17.140.50 - Electroacoustics

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BS EN 60118-4:1998

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