BS 4668:1971
Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry
BSI Group , 02/22/1971
$37.00
$73.66
Specifies a reference coupler for loading an earphone with specified acoustic impedance when calibrating audiometers for the frequency range 125 Hz to 8000 Hz.
Product Information
Published:
02/22/1971
Pages:
10
ISBN:
0580062570
File Size:
1 file
Language:
English
Note:
This product is unavailable in Ukraine, Russia, Belarus
