BS 2497-6:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Acoustics. Reference zero for the calibration of audiometric equipment Specification for a standard reference zero using an artificial ear complying with BS 4669
Hardcopy , PDF
01-31-1992
English
02-29-1988
Reference equivalent threshold sound pressure levels for earphones, complying with stated requirements.
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