Sennheiser HDA 300 Bedienungsanleitung Seite 3

Reference equivalent threshold sound pressure level
on ear simulator with adapter (plate) and conical ring according to IEC 60318-1:2010
Mean value
Frequency in Hz on B&K 4153
in dB re 20 µPa
125 26.2
250 20.1
500 8.6
750* 5.1
1000 2.7
1500 3.2
2000 0.5
3000 -1.6
4000 0.1
5000 11.3
6000 20.9
8000 23.1
9000 27.1
10000 18.5
11200 22.9
12500 27.0
14000 32.8
16000 47.7
Reference equivalent threshold sound pressure level
on 6 ccm coupler according to IEC 60318-3:2010
Frequency in Hz
125
250
500
750*
1000
1500
2000
3000
4000
5000
6000
8000
* interpolated values
*** rounded to nearest 0.5 dB
Standard
deviation in dB
3.9
3.1
4.0
4.6
7.1
4.5
6.0
5.4
4.4
7.2
6.1
5.4
5.7
5.6
5.5
6.9
14.4
Mean value
Standard
on B&K 4152
deviation in dB
in dB re 20 µPa
22.3 3.9
14.7 3.1
7.4 4.0
9.5
11.0 4.6
14.8 7.1
12.3 4.5
8.0 6.0
10.0 5.4
12.3 4.4
23.0 7.2
15.9 6.1
Median value *** Interquartile
on B&K 4153 in dB range in dB
27.0 5.5
20.0 4.0
8.0 3.5
4.5
2.0 4.5
3.0 6.5
0.0 7.0
-3.0 7.5
-0.5 5.5
10.5 6.0
21.0 7.5
23.0 6.0
27.5 7.0
18.0 6.0
22.0 8.5
27.0 10.0
33.5 7.5
45.5 12.5
Median value ***
on B&K 4152 in dB
23.0
14.5
6.5
9.0
10.5
14.5
12.0
6.5
9.5
11.5
23.0 7.5
16.0 6.0
Interquartile
range in dB
5.4
4.0
3.5
4.0
7.0
7.0
7.5
5.5
6.0