(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
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125
250
500
1000 2000 3150 4000 6300 8000 NRR
)
13.8
19.9
28.5
32.6
f
)
2.9
2.2
2.3
2.7
f
125
250
500
1000 2000 3150 4000 6300 8000 NRR
)
15.4
19.8
29.5
33.3
f
)
1.9
2.8
2.3
2.6
f
34.1
37.7
39.3
38.8
3.2
2.5
2.9
2.4
34.9
37.0
39.0
38.3
2.9
2.9
3.8
4.6
CSA
Class
39.3
23
3.0
A
CSA
Class
38.5
24
5.4
A