Interacoustics AC40 Instructions D'utilisation page 265

AC40 RETSPL-HL Tabel
Transducer DD45
Impedance 10 Ω
Coupler 6ccm
RETSPL
Speech 22
Speech Equ.FF. 3.5
Speech Non-linear 22
Speech noise 27
Speech noise Equ.FF. 3.5
Speech noise Non-linear 27
White noise in speech 22.5
DD45 (G -G ) PTB-DTU report 2009-2010.
F C
TDH39 (G -G ) IEC60645-2 1997.
F C
HDA280 (G -G ) PTB report 2004
F C
HDA200 (G -G ) ANSI S3.6 2010 and ISO 389-8 2004.
F C
HDA300 (G -G ) PTB report 2013.
F C
Sweden Speech level STAF 1996 and IEC60645-2 1997 (acoustical linear weighting)
Sweden Speech Equivalent free field level (G
Sweden Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – IP30 – CIR22/33 - B71- B81 STAF
1996 and IEC60645-2 1997 (no weighting)
Transducer DD45
Impedance 10 Ω
Coupler 6ccm
Max HL
Speech 108
Speech Equ.FF. 115
Speech Non-linear 104
Speech noise 93
Speech noise Equ.FF. 115
Speech noise Non-linear 94
White noise in speech 95
Sweden Speech RETSPL
TDH39 HDA280 HDA200
10 Ω 37 Ω 40 Ω
6ccm 6ccm Artificial ear
RETSPL RETSPL RETSPL
22 20 20
0.5 6.5 3.5
22 7.5 5.5
27 20 20
0.5 6.5 3.5
27 7.5 5.5
22.5 22.5 22.5
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
F C
Sweden Speech max HL
TDH39 HDA280 HDA200
10 Ω 37 Ω 40 Ω
6ccm 6ccm Artificial ear
Max HL Max HL Max HL
108 100 90
120 110 100
105 120 110
93 95 85
115 105 95
95 120 105
95 95 90
DD65 v2
HDA300 EAR3A
10 Ω
23 Ω 10 Ω
Artificial ear
Artificial ear 2ccm
RETSPL
RETSPL RETSPL
20
20
1,5
1
4,5
2 21
20
20
1,5
1
4,5
2 26
22,5
22.5 22.5
DD65 v2
HDA300 EAR3A
10 Ω
23 Ω 10 Ω
Artificial ear Artificial ear 2ccm
Max HL Max HL Max HL
95
95
110
110
110
120 99
90
90
100
110
105
120 84
95
95 85
IP30 EAR5A B71
10 Ω 10 Ω 10 Ω
2ccm 2ccm Mastoid
RETSPL RETSPL RETFL
21 21 55
26 26 55
22.5 22.5 57.5
IP30 EAR5A CIR22/33 B71
10 Ω 10 Ω 68 Ω 10 Ω
2ccm 2ccm 2ccm Mastoid
Max HL Max HL Max HL Max HL
99 99 89
84 84 84
85 85 85
B81
12.5 Ω
Mastoid
RETFL
55
55
57.5
B81
12.5 Ω
Mastoid
Max HL
60 60
50 50
55 60