Table des Matières
Publicité
AC40 RETSPL-HL Tabel
Transducer
DD45
TDH39
10 Ω
10 Ω
Impedance
Coupler
6ccm
6ccm
EM
EM
NB 125 Hz
51.5
49
NB 160 Hz
44.5
41.5
NB 200 Hz
37.5
35.5
NB 250 Hz
31
29.5
NB 315 Hz
26.5
24
NB 400 Hz
21.5
19
NB 500 Hz
17
15.5
NB 630 Hz
14
13.5
NB 750 Hz
11.5
12.5
NB 800 Hz
11.5
12
NB 1000 Hz
12
13
NB 1250 Hz
13
12.5
NB 1500 Hz
14
12.5
NB 1600 Hz
14
13
NB 2000 Hz
14
15
NB 2500 Hz
14
15.5
NB 3000 Hz
14
16
NB 3150 Hz
14
16
NB 4000 Hz
14
14.5
NB 5000 Hz
18
18
NB 6000 Hz
25.5
20.5
NB 6300 Hz
24
20
NB 8000 Hz
17
18
NB 9000 Hz
NB 10000 Hz
NB 11200 Hz
NB 12500 Hz
NB 14000 Hz
NB 16000 Hz
NB 18000 Hz
NB 20000 Hz
White noise
0
0
TEN noise
25
25
Effective masking value is RETSPL / RETFL add 1/3 octave correction for Narrow-band noise from ANSI S3.6 2010 or ISO389-4 1994.
NB noise effective masking level
HDA280
HDA200
HDA300
37 Ω
40 Ω
23 Ω
6ccm
Artificial ear
Artificial ear
EM
EM
EM
42.5
34.5
31.0
37.5
30
28.5
33.5
26
26.5
29
22
24
25
19.5
20
21
17.5
16
17
15
12
15.5
13
11
14
11
9.5
13.5
11
9
13.5
11.5
8
14.5
12
8.5
15.5
11.5
9
15
11.5
8.5
14
10.5
6
13
9
4
12.5
8.5
3
13
10
3.5
14.5
14.5
4.5
17
19
15.5
24
22
26
24
22.5
26.5
23
22.5
28
24
32.5
27
23
28
27
32.5
32
40
38.5
61
50.5
88
88
110
110
0
0
0
DD65 v2
DD450
EAR3A
IP30
10 Ω
40 Ω
10 Ω
10 Ω
Artificial
Artificial
ear
ear
2ccm
2ccm
EM
EM
EM
EM
34,5
34,5
30.0
30.0
29,,5
30
26
26
25,5
26
22
22
21
22
18
18
18
19,5
16
16
14,5
17,5
13
13
12
15
9.5
9.5
11,5
13
9
9
10,5
11
7
7
10
11
6.5
6.5
10,5
11,5
6
6
9,5
12
8
8
8,5
11,5
8
8
8,5
11,5
8
8
8,5
10,5
9
9
8
9
11
11
8
8,5
9.5
9.5
9
10
10
10
14,5
14,5
10.5
10.5
20,5
19
10
10
26
22
7
7
26
22,5
7
7
26
22,5
5
5
24
27
28
32,5
40
61
88
110
0
0
0
0
16
16
EAR5A
B71
B81
10 Ω
10 Ω
12.5 Ω
2ccm
Mastoid
Mastoid
EM
EM
EM
30
26
22
18
71
71
16
68
68
13
65
65
9.5
62
62
9
57.5
57.5
7
53.5
53.5
6.5
52
52
6
48.5
48.5
8
45
45
8
42.5
42.5
8
41.5
41.5
9
37
37
11
35.5
35.5
9.5
36
36
10
37
37
10.5
40.5
40.5
10
45
45
7
45
45
7
45
45
5
45
45
0
42.5
42.5
Publicité
Table des Matières
