2516076

BS 4668:1971

Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry

standard by BSI Group , 02/22/1971

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About This Item

 

Full Description

Specifies a reference coupler for loading an earphone with specified acoustic impedance when calibrating audiometers for the frequency range 125 Hz to 8000 Hz.

All current amendments available at time of purchase are included with the purchase of this document.
 

Product Details

Published:
02/22/1971
ISBN(s):
0580062570
Number of Pages:
10
File Size:
1 file
Product Code(s):
120946, 120946, 120946
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. BS EN 60318-3:2015


    Electroacoustics. Simulators of human head and ear-Acoustic coupler for the calibration of supra-aural earphones used in audiometry

    • Most Recent

  2. BS 12/30264187 DC


    BS EN 60318-3. Electroacoustics. Simulators of human head and ear. Part 3. Acoustic coupler for the calibration of supra-aural earphones used in audiometry

    • Historical Version

  3. BS EN 60318-3:1998


    Electroacoustics. Simulators of human head and ear-Acoustic coupler for the calibration of supra-aural earphones used in audiometry

    • Historical Version

  4. BS 4668:1971

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    Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry

    • Historical Version