Interacoustics AA222 Instructions For Use Manual page 87

AA222 Instructions for Use – US
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
Sound attenuation values for earphones
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
Attenuation
DD450
[dB]*
33 15
34 15
35 16
36 16
37 18
37 20
38 23
37 25
37 27
37 29
35 30
34 31
33 32
35 37
37 41
40 46
41 45
42 45
43 44
HDA300
[dB]
12.5
12.7
9.4
12.8
15.1
28.8
26.2
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