Interacoustics AD528 - Page 41

D-0121151-B – 2018/11
AD528 - Instructions for Use - EN Page 37
Transducer
DD45
DD450
IP30
B71
Impedance
10 Ω
40 Ω
10 Ω
10 Ω
Coupler
6ccm
Artificial ear
2ccm
Mastoid
RETSPL
RETSPL
RETSPL
RETFL
Speech
22
20
Speech Equ.FF.
3.5
3.5
Speech Non-linear
22
5.5
21
55
Speech noise
27
20
Speech noise Equ.FF.
3.5
3.5
Speech noise Non-linear
27
5.5
26
55
White noise in speech
22.5
22.5
22.5
57.5
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
Sweden Speech level STAF 1996 and IEC60645-2 1997 (acoustical linear weighting)
Sweden Speech Equivalent free field level (G
F
-G
C
) from IEC60645-2 1997 (acoustical equivalent sensitivity
weighting)
Sweden Speech Not linear level 1 kHz RETSPL (DD45) and IP30 – B71, STAF 1996 and IEC60645-2 1997
(no weighting)
Transducer
DD45
DD450
IP30
B71
Impedance
10 Ω
40 Ω
10 Ω
10 Ω
Coupler
6ccm
Artificial ear
2ccm
Mastoid
Max HL
Max HL
Max HL
Max HL
Speech
108
90
Speech Equ.FF.
115
100
Speech Non-linear
104
110
99
60
Speech noise
93
85
Speech noise Equ.FF.
115
95
Speech noise Non-linear
94
105
84
50
White noise in speech
95
90
85
55
Transducer
DD45
DD450
IP30
B71
Impedance
10 Ω
40 Ω
10 Ω
10 Ω
Coupler
6ccm
Artificial ear
2ccm
Mastoid
RETSPL
RETSPL
RETSPL
RETFL
Speech
40
40
Speech Equ.FF.
3.5
3.5
SpeechNon-linear
6
5.5
40
75
Speech noise
40
40
Speech noise Equ.FF.
3.5
3.5
Speech noise Non-linear
6
5.5
40
75
White noise in speech
22.5
22.5
22.5
57.5
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
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) and IP30 – B71 IEC60645-2 1997 +20dB (no
weighting)
Transducer
DD45
DD450
IP30
B71
Impedance
10 Ω
40 Ω
10 Ω
10 Ω
Coupler
6ccm
Artificial ear
2ccm
Mastoid
Max HL
Max HL
Max HL
Max HL
Speech
90
70
Speech Equ.FF.
115
100
Speech Non-linear
120
110
80
40
Speech noise
80
65
Speech noise Equ.FF.
115
95
Speech noise Non-linear
115
105
70
30
White noise in speech
95
90
85
55