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AC40 RETSPL-HL Tabel
5.1 Survey of reference and max hearing level Tone Audiometer.
Transducer
DD45
TDH39
10 Ω
10 Ω
Impedance
Coupler
6ccm
6ccm
RETSPL
RETSPL
Tone 125 Hz
47.5
45
Tone 160 Hz
40.5
37.5
Tone 200 Hz
33.5
31.5
Tone 250 Hz
27
25.5
Tone 315 Hz
22.5
20
Tone 400 Hz
17.5
15
Tone 500 Hz
13
11.5
Tone 630 Hz
9
8.5
Tone 750 Hz
6.5
8 / 7.5
Tone 800 Hz
6.5
7
Tone 1000 Hz
6
7
Tone 1250 Hz
7
6.5
Tone 1500 Hz
8
6.5
Tone 1600 Hz
8
7
Tone 2000 Hz
8
9
Tone 2500 Hz
8
9.5
Tone 3000 Hz
8
10
Tone 3150 Hz
8
10
Tone 4000 Hz
9
9.5
Tone 5000 Hz
13
13
Tone 6000 Hz
20.5
15.5
Tone 6300 Hz
19
15
Tone 8000 Hz
12
13
Tone 9000 Hz
Tone 10000 Hz
Tone 11200 Hz
Tone 12500 Hz
Tone 14000 Hz
Tone 16000 Hz
Tone 18000 Hz
Tone 20000 Hz
DD45 6ccm uses IEC60318-3 or NBS 9A coupler and RETSPL comes from PTB – DTU report 2009-2010. Force 4.5N ±0.5N
TDH39 6ccm uses IEC60318-3 or NBS 9A coupler and RETSPL comes from ANSI S3.6 2010 and ISO 389-1 1998. Force 4.5N ±0.5N
HDA280 6ccm uses IEC60318-3 or NBS 9A coupler and RETSPL comes from ANSI S3.6 2010 and PTB 2004. Force 5.0N ±0.5N
HDA200 Artificial ear uses IEC60318-1 coupler with type 1 adaptor and RETSPL comes from ANSI S3.6 2010 and ISO 389-8 2004.
Force 9N ±0.5N
HDA300 Artificial ear uses IEC60318-1 coupler with type 1 adaptor and RETSPL comes from PTB report 2012. Force 8.8N ±0.5N
DD450 uses IEC60318-1 and RETSPL comes from ANSI S3.6 – 2018, Force 10N ±0.5N.
IP30 / EAR3A/EAR 5A 2ccm uses ANSI S3.7-1995 IEC60318-5 coupler (HA-2 with 5mm rigid Tube) and RETSPL comes from ANSI
S3.6 2010 and ISO 389-2 1994.
DD65 v2 Artificial ear uses IEC60318-1 coupler with type 1 adapter and RETSPL comes from ANSI S3.6 2018. Force 10 ±0.5N
B71 / B81 uses ANSI S3.13 or IEC60318-6 2007 mechanical coupler and RETFL come from ANSI S3.6 2010 and ISO 389-3 1994.
Force 5.4N ±0.5N
Pure Tone RETSPL
HDA280
HDA200
HDA300
37 Ω
40 Ω
23 Ω
6ccm
Artificial ear
Artificial ear
RETSPL
RETSPL
RETSPL
38.5
30.5
27
33.5
26
24.5
29.5
22
22.5
25
18
20
21
15.5
16
17
13.5
12
13
11
8
10.5
8
6
9
6
4.5
8.5
6
4
7.5
5.5
2
8.5
6
2.5
9.5
5.5
3
9
5.5
2.5
8
4.5
0
7
3
-2
6.5
2.5
-3
7
4
-2.5
9.5
9.5
-0.5
12
14
10.5
19
17
21
19
17.5
21.5
18
17.5
23
19
27.5
22
18
23
22
27.5
27
35
33.5
56
45.5
83
83
105
105
DD65 v2
DD450
EAR3A
IP30
10 Ω
40 Ω
10 Ω
10 Ω
Artificial
Artificial
ear
ear
2ccm
2ccm
RETSPL
RETSPL
RETSPL
RETSPL
30,5
30.5
26
25,5
26
22
21,2
22
18
17
18
14
14
15.5
12
10,5
13.5
9
8
11
5.5
6,5
8
4
5,5
6
2
5
6
1.5
4,5
5.5
0
3,5
6
2
2,5
5.5
2
2,5
5.5
2
2,5
4.5
3
2
3
5
2
2.5
3.5
3
4
4
9,5
9.5
5.5
15,5
14
5
21
17
2
21
17.5
2
21
17.5
0
19
22
23
27,5
35
56
83
105
EAR5A
B71
10 Ω
10 Ω
12.5 Ω
2ccm
Mastoid
Mastoid
RETSPL
RETFL
RETFL
26
26
22
22
18
18
14
14
67
12
12
64
9
9
61
5.5
5.5
58
4
4
52.5
2
2
48.5
1.5
1.5
47
0
0
42.5
2
2
39
2
2
36.5
2
2
35.5
3
3
31
5
5
29.5
3.5
3.5
30
4
4
31
5.5
5.5
35.5
5
5
40
2
2
40
2
2
40
0
0
40
B81
67
64
61
58
52.5
48.5
47
42.5
39
36.5
35.5
31
29.5
30
31
35.5
40
40
40
40
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