Inhoudsopgave
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5.2 Reference equivalent threshold values for transducers
5.2.1
Impedance - Frequencies and intensity ranges
AA222 Maximums IMP
TDH39
Center
Reading
Freq.
Tone
NB
[Hz]
[dB HL] [dB HL] [dB HL] [dB HL] [dB HL]
125
85
65
250
105
90
500
120
105
750
120
110
1000
120
110
1500
120
110
2000
120
110
3000
120
110
4000
120
110
6000
120
100
8000
110
100
10000
WB
-
120
LP
-
120
HP
-
120
D-0119998-D – 2022/12
AA222 – Gebruikshandleidung - NL
CIR
EARtone 3A / IP30 IPSI
Reading
Reading
Tone
NB
Tone
95
90
100
110
105
110
115
110
115
120
110
120
120
110
120
120
110
120
120
110
120
120
110
120
115
105
120
100
95
115
90
90
90
-
120
-
-
120
-
-
120
-
Reading
NB
Tone
NB
[dB HL]
[dB HL] [dB HL] [dB HL]
90
70
60
100
85
75
110
100
85
110
100
85
110
105
90
110
110
90
110
105
90
110
95
90
105
100
85
100
85
80
95
80
75
120
-
105
120
-
110
120
-
105
DD45
Reading
Tone
NB
[dB HL]
85
65
105
90
120
105
120
110
120
110
120
110
120
110
120
110
120
110
110
100
110
100
120
-
120
-
120
-
Pagina 70
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Inhoudsopgave
