Interacoustics AD528 - Page 40

D-0121151-B – 2018/11
AD528 - Instructions for Use - EN Page 36
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
18.5
19
Speech Equ.FF.
18.5
18.5
Speech Non-linear
6
5.5
12.5
55
Speech noise
18.5
19
Speech noise Equ.FF.
18.5
18.5
Speech noise Non-linear
6
5.5
12.5
55
White noise in speech
21
21.5
15
57.5
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
ANSI Speech level 12.5 dB + 1 kHz RETSPL ANSI S3.6 2010 (acoustical linear weighting)
ANSI Speech Equivalent free field level 12.5 dB + 1 kHz RETSPL – (G
F
-G
C
) from ANSI S3.6 2010
(acoustical equivalent sensitivity weighting)
ANSI Speech Not linear level 1 kHz RETSPL ANSI S3.6 2010 (DD45) and IP30 - B71 12.5 dB + 1 kHz
RETSPL ANSI S3.6 2010 (no weighting)
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
20
20
Speech Equ.FF.
3.5
3.5
Speech Non-linear
6
5.5
20
55
Speech noise
20
20
Speech noise Equ.FF.
3.5
3.5
Speech noise Non-linear
6
5.5
20
55
White noise in speech
22.5
22.5
22.5
57.5
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
IEC Speech level IEC60645-2 1997 (acoustical linear weighting)
IEC Speech Equivalent free field level (G
F
-G
C
) from IEC60645-2 1997 (acoustical equivalent sensitivity
weighting)
IEC Speech Not linear level 1 kHz RETSPL (DD45) and IP30 - B71 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
110
90
Speech Equ.FF.
115
100
Speech Non-linear
120
110
100
60
Speech noise
100
85
Speech noise Equ.FF.
115
95
Speech noise Non-linear
115
105
90
50
White noise in speech
95
90
85
55