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D-0133833-A – 2022/09
AD629 - Instructions for Use - EN
Page 55
Norway speech RETSPL
Transducer
DD45
TDH39 HDA280
HDA200
HDA300
DD65 v2 DD450
EAR3A
IP30
EAR5A
B71
B81
Impedance
10 Ω
10 Ω
37 Ω
40 Ω
23 Ω
10 Ω
40 Ω
10 Ω
10 Ω
10 Ω
10 Ω
12.5 Ω
Coupler
6ccm
6ccm
6ccm
Artificial ear Artificial ear
Artificial
ear
Artificial
ear
2ccm
2ccm
2ccm
Mastoid
Mastoid
RETSPL RETSPL RETSPL
RETSPL
RETSPL
RETSPL RETSPL RETSPL RETSPL RETSPL RETFL
RETFL
Speech
40
40
40
40
40
20
40
Speech Equ.FF.
3.5
0.5
6.5
3.5
1
1,5
3,5
Speech Non-linear
6
7
7.5
5.5
2
4,5
5,5
40
40
40
75
75
Speech noise
40
40
40
40
40
20
40
Speech noise Equ.FF.
3.5
0.5
6.5
3.5
1
1,5
3,5
Speech noise Non-linear
6
7
7.5
5.5
2
4,5
5,5
40
40
40
75
75
White noise in speech
22.5
22.5
22.5
22.5
22.5
22,5
22,5
22.5
22.5
22.5
57.5
57.5
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
TDH39 (G
F
-G
C
) IEC60645-2 1997.
HDA280 (G
F
-G
C
) PTB report 2004
HDA200 (G
F
-G
C
) ANSI S3.6 2010 and ISO 389-8 2004.
HDA300 (G
F
-G
C
) PTB report 2013.
DD450 (GF-GC) ANSI S3.6 2018 and ISO 389-8 2004.
Norway Speech level IEC60645-2 1997+20dB (acoustical linear weighting)
Norway Speech Equivalent free field level (G
F
-G
C
) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – IP30 – CIR22/33 - B71- B81
IEC60645-2 1997 +20dB (no weighting)
Norway speech max HL
Transducer
DD45
TDH39 HDA280
HDA200
HDA300
DD65 v2
DD450 EAR3A
IP30
EAR5A
B71
B81
Impedance
10 Ω
10 Ω
37 Ω
40 Ω
23 Ω
10 Ω
40 Ω
10 Ω
10 Ω
10 Ω
10 Ω
12.5 Ω
Coupler
6ccm
6ccm
6ccm
Artificial ear Artificial ear
Artificial
ear
Artificial
ear
2ccm
2ccm
2ccm
Mastoid
Mastoid
Max HL Max HL Max HL
Max HL
Max HL
Max HL
Max HL Max HL Max HL Max HL Max HL
Max HL
Speech
90
90
80
70
75
95
70
Speech Equ.FF.
115
120
110
100
110
110
100
Speech Non-linear
120
120
120
110
120
110
110
80
80
80
40
40
Speech noise
80
80
75
65
70
90
65
Speech noise Equ.FF.
115
115
105
95
110
100
95
Speech noise Non-linear
115
115
120
105
120
105
105
70
70
70
30
30
White noise in speech
95
95
95
90
95
95
90
85
85
85
55
60