BS 6111:1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
Hardcopy , PDF
10-31-2006
English
06-30-1981
National foreword
Cooperating organizations
Specification
1 Scope and object
2 Definition
3 Construction
Figures
1 Coupling of an insert earphone to the coupler
2 Coupling of a behind-the-ear type of hearing aid to
the coupler
3 Coupling arrangement for an in-the-ear type of
hearing aid
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