Description
NRR |
NOISE ATTENUATION DATA – MODELS H10-13 series |
|||||||||
Frequency (Hz) |
125 |
250 |
500 |
1000 |
2000 |
3000 |
4000 |
6000 |
8000 |
|
Attenuation (dB) |
16.6 |
20.7 |
27.4 |
33.0 |
30.5 |
36.2 |
38.1 |
36.6 |
36.6 |
|
Standard Deviation |
2.6 |
2.5 |
2.5 |
2.6 |
3.1 |
3.5 |
3.7 |
3.7 |
3.6 |