(A) ANSI S3.19-1974
MRX21A2WS6-NA ANSI S3.19-1974
A:1 Frequency (Hz) (ƒ)
A:2 Mean attenuation (dB) (M
A:3 Standard deviation (dB) (s
MRX21P3E2WS6-NA ANSI S3.19-1974
A:1 Frequency (Hz) (ƒ)
A:2 Mean attenuation (dB) (M
A:3 Standard deviation (dB) (s
125
250
500
)
13.8
19.9
28.5
f
)
2.9
2.2
2.3
f
125
250
500
)
15.4
19.8
29.5
f
)
1.9
2.8
2.3
f
1000 2000 3150 4000 6300 8000 NRR
32.6
34.1
37.7
2.7
3.2
2.5
1000 2000 3150 4000 6300 8000 NRR
33.3
34.9
37.0
2.6
2.9
2.9
39.3
38.8
39.3
2.9
2.4
3.0
39.0
38.3
38.5
3.8
4.6
5.4
CSA
Class
23
A
CSA
Class
24
A