Interacoustics AC40 Gebrauchsanweisung Seite 190

AC40 RETSPL-HL Tabel
Transducer DD45
10 Ω
Impedance
Coupler 6ccm
RETSPL
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
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
Impedance
Coupler
Max HL
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
Norway Speech RETSPL
TDH39 HDA280
10 Ω 37 Ω
6ccm 6ccm Artificial ear
RETSPL RETSPL
40 40 40
3.5 0.5 6.5
6 7 7.5
40 40 40
3.5 0.5 6.5
6 7 7.5
22.5 22.5
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
F C
Norway Speech max HL
DD45 TDH39 HDA280
10 Ω 10 Ω 37 Ω
6ccm 6ccm 6ccm Artificial ear
Max HL Max HL
90 90 80
115 120 110
120 120 120
80 80 75
115 115 105
115 115 120
95 95 95
HDA200 HDA300 EAR3A
40 Ω 23 Ω 10 Ω
Artificial ear 2ccm
RETSPL RETSPL RETSPL
40 40
3.5 1
5.5 2 40
40 40
3.5 1
5.5 2 40
22.5 22.5 22.5
HDA200 HDA300 EAR3A
40 Ω 23 Ω 10 Ω
Artificial ear 2ccm
Max HL Max HL Max HL
70 75
100 110
110 120 80
65 70
95 110
105 120 70
90 95 85
IP30 EAR5A CIR22/33
10 Ω 10 Ω 68 Ω
2ccm 2ccm 2ccm
RETSPL RETSPL RETSPL
40 40 40
40 40 40
22.5 22.5 22.5
IP30 EAR5A CIR22/33
10 Ω 10 Ω 68 Ω
2ccm 2ccm 2ccm
Max HL Max HL Max HL
80 80 70
70 70 70
85 85 85
B71 B81
10 Ω 12.5 Ω
Mastoid Mastoid
RETFL RETFL
75 75
75 75
57.5 57.5
B71 B81
10 Ω 12.5 Ω
Mastoid Mastoid
Max HL Max HL
40 40
30 30
55 60