Interacoustics AC40 Instructions D'utilisation page 266

AC40 RETSPL-HL Tabel
Transducer DD45
Impedance 10 Ω
Coupler 6ccm
RETSPL
Speech 40
Speech Equ.FF. 3.5
Speech Non-linear 6
Speech noise 40
Speech noise Equ.FF. 3.5
Speech noise Non-linear 6
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
Norway Speech level IEC60645-2 1997+20dB (acoustical linear weighting)
Norway Speech Equivalent free field level (G
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – IP30 – CIR22/33 - B71- B81
IEC60645-2 1997 +20dB (no weighting)
Transducer DD45
Impedance 10 Ω
Coupler 6ccm
Max HL
Speech 90
Speech Equ.FF. 115
Speech Non-linear 120
Speech noise 80
Speech noise Equ.FF. 115
Speech noise Non-linear 115
White noise in speech 95
Norway Speech RETSPL
TDH39 HDA280 HDA200
10 Ω 37 Ω 40 Ω
6ccm 6ccm Artificial ear
RETSPL RETSPL RETSPL
40 40 40
0.5 6.5 3.5
7 7.5 5.5
40 40 40
0.5 6.5 3.5
7 7.5 5.5
22.5 22.5 22.5
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
F C
Norway Speech max HL
TDH39 HDA280 HDA200
10 Ω 37 Ω 40 Ω
6ccm 6ccm Artificial ear
Max HL Max HL Max HL
90 80 70
120 110 100
120 120 110
80 75 65
115 105 95
115 120 105
95 95 90
DD65 v2
HDA300 EAR3A
10 Ω
23 Ω 10 Ω
Artificial ear
Artificial ear 2ccm
RETSPL
RETSPL RETSPL
20
40
1,5
1
4,5
2 40
20
40
1,5
1
4,5
2 40
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
75
110
110
110
120 80
90
70
100
110
105
120 70
95
95 85
IP30 EAR5A B71
10 Ω 10 Ω 10 Ω
2ccm 2ccm Mastoid
RETSPL RETSPL RETFL
40 40 75
40 40 75
22.5 22.5 57.5
IP30 EAR5A B71
10 Ω 10 Ω 10 Ω
2ccm 2ccm Mastoid
Max HL Max HL Max HL
80 80 40
70 70 30
85 85 55
B81
12.5 Ω
Mastoid
RETFL
75
75
57.5
B81
12.5 Ω
Mastoid
Max HL
40
30
60