Interacoustics Callisto Gebrauchsanweisung Seite 404

Callisto RETSPL-HL Tabel
Sound attenuation values for earphones
Frequency
TDH39/DD45 with
MX41/AR or PN 51
Cushion
[dB]*
[Hz]
125 3
160 4
200 5
250 5
315 5
400 6
500 7
630 9
750 -
800 11
1000 15
1250 18
1500 -
1600 21
2000 26
2500 28
3000 -
3150 31
4000 32
5000 29
6000 -
6300 26
8000 24
*ISO 8253-1 2010
Attenuation
EAR 3A IP30
HDA200
EAR 5A
[dB]*
33
34
35
36
37
37
38
37
37
37
35
34
33
35
37
40
41
42
43
HDA300
[dB]* [dB]
15 12.5
15
16
16 12.7
18
20
23 9.4
25
27
29 12.8
30
31
32 15.1
37
41
46 28.8
45
45
44 26.2