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Standard IEC standard · IEC 60118-4:1981

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

Status: Withdrawn

· Replaced by: IEC 60118-4:2006
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Standard IEC standard · IEC 60118-4:1981

Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
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Scope
Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies a standard value of magnetic field strength in audio-fre

Subjects

Electroacoustics (17.140.50)

Buy this standard

Standard IEC standard · IEC 60118-4:1981

Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
Subscribe on standards with our subscription service. When you use our service you can be assured the latest editions and easy access. Read more about SIS Subscriptions
Subscribe on standards - Read more Dölj
Price: 360 SEK
standard ikon pdf

PDF

Price: 360 SEK
standard ikon

Paper

Show more Show less

Product information

Language: English French

Written by: IEC

International title:

Article no: STD-120410

Edition: 1

Approved: 1/1/1981

No of pages: 9

Replaced by: IEC 60118-4:2006