Interacoustics Affinity Compact Instructions For Use Manual page 67

Speech reference equivalent threshold value for transducer
TRANSDUCER DD45 TDH39
Impedance 10 Ω 10 Ω
COUPLER 6ccm 6ccm
RETSPL RETSPL
Speech 18.5 19.5
Speech Equ.FF. 18.5 15.5
Speech Non-linear 6
Speech noise 18.5 19.5
Speech noise 18.5 15.5
Equ.FF.
Speech noise Non-
6
linear
White noise in
21
speech
DD45 (G -G ) PTB-DTU report 2009-2010.
F C
TDH39 (G -G ) ANSI S3.6 2018.
F C
DD65V2 (GF-GC) PTB-AAU report 2018.
DD450 (G -G ) ANSI S3.6 2018 and ISO 389-8 2004.
F C
HDA300 (G -G ) PTB report 2013.
F C
ANSI Speech level 12.5 dB + 1 kHz RETSPL ANSI S3.6 2018 (acoustical linear weighting).
ANSI Speech Equivalent free field level 12.5 dB + 1 kHz RETSPL - (G
weighting).
ANSI Speech Not linear level 1 kHz RETSPL ANSI S3.6 2018 (DD45, TDH39, DD65V2, DD450, HDA300) and EAR 3A, IP30, B71 and
B81 12.5 dB + 1 kHz RETSPL ANSI S3.6 2018 (no weighting).
TRANSDUCER DD45 TDH39
Impedance 10 Ω
COUPLER 6ccm
Max.
HL
Speech 110
Speech Equ.FF. 100
Speech Non-linear 120
Speech noise 100
Speech noise Equ.FF. 100
Speech noise Non-
115
linear
White noise in speech 95
D-0123672-H – 2022/05
Affinity Compact - Instructions for Use - US
ANSI SPEECH RETSPL
DD65 v2 DD450
10 Ω 40 Ω
ARTIFICIAL ARTIFICIAL
EAR EAR
RETSPL RETSPL
17 19
16.5 18.5
7 4.5 5.5
17 19
16.5 18.5
7 4.5 5.5
22 19.5 21.5
ANSI SPEECH MAX. HL
DD65 v2 DD450
10 Ω 10 Ω 40 Ω
6ccm ARTIFICIAL ARTIFICIAL
EAR EAR
Max. Max. HL Max. HL
HL
110 100 90
105 95 85
120 110 110
100 95 85
100 90 80
115 105 105
95 95 90
HDA300 EAR3A IP30
23 Ω 10 Ω 10 Ω
ARTIFICIAL
2ccm 2ccm
EAR
RETSPL RETSPL RETSPL
14.5
16
2 12.5
14.5
16
2 12.5
17 15
-G ) from ANSI S3.6 2018 (acoustical equivalent sensitivity
F C
HDA300 EAR3A IP30
23 Ω 10 Ω 10 Ω
ARTIFICIAL 2ccm 2ccm
EAR
Max. HL Max. HL Max. HL
100
95
120 110 110
95
95
120 110 110
100 95 95
B71 B71
10 Ω 10 Ω
MASTOID FOREHEAD
RETFL RETFL
12.5 55 63.5
12.5 55 63.5
15 57.5 66
B71 B71 B81
10 Ω 10 Ω 12.5 Ω
MASTOID FOREHEAD MASTOID
Max. HL Max. HL Max. HL
60 40 60
50 40 50
55 45 60
B81 B81
12.5 Ω 12.5 Ω
MASTOID FOREHEAD
RETFL RETFL
55 63.5
55 63.5
57.5 66
B81
12.5 Ω
FOREHEAD
Max. HL
50
40
50
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