BS 4668:1971

$41.00

Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry
standard by BSI Group, 02/22/1971

Document Format: PDF

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