Interacoustics AA222 Instructions For Use Manual page 85

AA222 Instructions for Use – EN
Sound attenuation values for earphones
Frequency
TDH39/DD45
with MX41/AR or PN 51
Cushion
[Hz]
125
160
200
250
315
400
500
630
750
800
1000
1250
1500
1600
2000
2500
3000
3150
4000
5000
6000
6300
8000
*ISO 8253-1 2010
Attenuation
EAR 3A IP30 EAR 5A
[dB]* [dB]*
3
4
5
5
5
6
7
9
-
11
15
18
-
21
26
28
-
31
32
29
-
26
24
HDA300
[dB]
33 12.5
34
35
36 12.7
37
37
38 9.4
37
37
37 12.8
35
34
33 15.1
35
37
40 28.8
41
42
43 26.2
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