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BS 6111:1981
M00000562
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BS 6111:1981 Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
standard by BSI Group, 06/30/1981
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Full Description
Describes a coupler for loading the earphones with a specific acoustic impedance when determining the physical performance characteristics. Not intended for determining performance of a hearing aid on a person but only as a simple means for the exchange of data.Cross References: BS 4727:Part 3:Group 08*BS 6083:Part 0*