GSi AUDIOSTAR PRO Manuel D'instructions page 65

E - NB
ARPHONES NOISE EFFECTIVE MASKING LEVEL
Transducer
Impedance
Coupler
NB 125 Hz
NB 160 Hz
NB 200 Hz
NB 250 Hz
NB 315 Hz
NB 400 Hz
NB 500 Hz
NB 630 Hz
NB 750 Hz
NB 800 Hz
NB 1000 Hz
NB 1250 Hz
NB 1500 Hz
NB 1600 Hz
NB 2000 Hz
NB 2500 Hz
NB 3000 Hz
NB 3150 Hz
NB 4000 Hz
NB 5000 Hz
NB 6000 Hz
NB 6300 Hz
NB 8000 Hz
NB 9000 Hz
NB 10000 Hz
NB 11200 Hz
NB 12000 Hz
NB 12500 Hz
NB 14000 Hz
NB 16000 Hz
NB 18000 Hz
NB 20000 Hz
White noise
TEN noise
D-0131088 Rev C, 2022-07
GSI AudioStar Pro Instructions for Use
DD45 DD45
10 Ω 10 Ω
318-3 318-1
EM EM
51.5
44.5
37.5
31
26.5
21.5
17
14
11.5
11.5
12
13
14
14
14
14
14
14
14
18
25.5
24
17
0
25
TDH50
60 Ω
318-3
EM
49 51.5
42.5 44
36.5 37.5
31 30.5
26 26
21 21.5
17.5 17.5
15.5 15.5
14 13.5
13.5 13.5
13.5 13.5
13.5 13.5
13.5 13.5
14 14.5
15 17
16.5 16
17.5 15.5
17.5 15.5
17 15.5
16 17
21 18.5
26 18.5
20.5 18
22.5
0 0
25 24.5
TDH50 DD450
60 Ω 23 Ω
318-1 318-1
EM EM
49
42.5
36.5
31
26
21
17.5
15.5
14
13.5
13.5
13.5
13.5
14
15
16.5
17.5
17.5
17
16
21
26
20.5
16
0
24.5
Page 60 of 84
34.5
30
26
22
19.5
17.5
15
13
11
11
11.5
12
11.5
11.5
10.5
9
8.5
10
14.5
19
22
22.5
22.5
24
27
28
32.5
40
61
88
110
0
31.5