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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.140 Acoustics and acoustic measurements>17.140.50 Electroacoustics>BS 6111:1981 Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
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immediate downloadReleased: 1981-06-30
BS 6111:1981 Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts

BS 6111:1981

Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts

CURRENCY
88.8 EUR
Standard number:BS 6111:1981
Pages:12
Released:1981-06-30
ISBN:0 580 12168 2
Status:Standard
DESCRIPTION

BS 6111:1981


This standard BS 6111:1981 Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts is classified in these ICS categories:
  • 17.140.50 Electroacoustics

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.
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