Inhoudsopgave
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Transducer
DD45
Impedance
10 Ω
Coupler
6ccm
RETSP
Speech
40
Speech Equ.FF.
3.5
SpeechNon-linear
Speech noise
40
Speech noise Equ.FF.
3.5
Speech noise Non-
linear
White noise in speech
22.5
DD45 (G
-G
) PTB-DTU report 2009-2010.
F
C
TDH39 (G
-G
) IEC60645-2 1997.
F
C
HDA280 (G
-G
) PTB report 2004.
F
C
HDA300 (G
-G
) PTB report 2013.
F
C
Norway Speech level IEC60645-2 1997+20dB (acoustical linear weighting)
Norway Speech Equivalent free field level (G
weighting)
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA300) and EAR3A – IP30 – CIR - B71-
B81 IEC60645-2 1997 +20dB (no weighting)
Transducer
DD45
Impedance
10 Ω
Coupler
6ccm
Max HL Max HL
Speech
Speech Equ.FF.
115
Speech Non-linear
120
Speech noise
Speech noise Equ.FF.
115
Speech noise Non-linear
115
White noise in speech
D-0119998-D – 2022/12
AA222 – Gebruikshandleidung - NL
TDH39
HDA280
DD450
10 Ω
37 Ω
Artificial
6ccm
6ccm
RETSP
RETSP
RETSP
L
L
L
40
40
0.5
6.5
6
7
7.5
40
40
0.5
6.5
6
7
7.5
22.5
22.5
-G
F
TDH39
HDA280
DD450
10 Ω
37 Ω
Artificial
6ccm
6ccm
Max HL
Max HL
90
90
80
120
110
120
120
80
80
75
115
105
115
120
95
95
95
Norway Speech RETSPL
HDA300
EAR3A
40 Ω
23 Ω
10 Ω
Artificial
ear
ear
2ccm
RETSP
L
RETSPL
L
40
40
3.5
1
5.5
2
40
40
40
3.5
1
5.5
2
40
22.5
22.5
22.5
) from IEC60645-2 1997 (acoustical equivalent sensitivity
C
Norway Speech max HL
HDA300
EAR3A
40 Ω
23 Ω
10 Ω
ear
Artificial ear
2ccm
Max HL
Max HL Max HL Max HL
70
75
100
110
110
120
80
65
70
95
110
105
120
70
90
95
85
IP30
EAR5A
CIR
10 Ω
10 Ω
68 Ω
2ccm
2ccm
2ccm
RETSP
RETSP
RETSP
L
L
L
40
40
40
40
40
40
22.5
22.5
22.5
IP30
EAR5A
CIR
10 Ω
10 Ω
68 Ω
2ccm
2ccm
2ccm
Max HL
80
80
70
70
70
70
85
85
85
B71
B81
10 Ω
12.5 Ω
Mastoi
Mastoi
d
d
RETFL
RETFL
75
75
75
75
57.5
57.5
B71
B81
10 Ω
12.5 Ω
Mastoid Mastoid
Max HL Max HL
40
40
30
30
55
60
Pagina 76
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