Interacoustics AA222 User Manual

AA222 Instructions for Use – US Page 81
Sound attenuation values for earphones
Frequency
Attenuation
TDH39/DD45
with MX41/AR or PN 51
Cushion
EAR 3A IP30 EAR 5A DD450 HDA300
[Hz]
[dB]*
[dB]*
[dB]*
[dB]
125
3
33
15
12.5
160
4
34
15
200
5
35
16
250
5
36
16
12.7
315
5
37
18
400
6
37
20
500
7
38
23
9.4
630
9
37
25
750
-
800
11
37
27
1000
15
37
29
12.8
1250
18
35
30
1500
-
1600
21
34
31
2000
26
33
32
15.1
2500
28
35
37
3000
-
3150
31
37
41
4000
32
40
46
28.8
5000
29
41
45
6000
-
6300
26
42
45
8000
24
43
44
26.2
*ISO 8253-1 2010
44

Interacoustics AA222 Specifications

General

Brand	Interacoustics
Model	AA222
Category	Measuring Instruments
Language	English