Interacoustics AD528, Instructions For Use Manual

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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