Interacoustics AA222 Instructions For Use Manual page 84

AA222 Instructions for Use – US
Transducer DD45
10 Ω
Impedance
Coupler 6ccm
RETSP
Speech
Speech Equ.FF.
SpeechNon-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
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
weighting)
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA300) and EAR3A – IP30 – CIR - B71-
B81 IEC60645-2 1997 +20dB (no weighting)
Transducer DD45
10 Ω
Impedance
Coupler 6ccm
Max HL Max HL
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
TDH39 HDA280
10 Ω 37 Ω
Artificial
6ccm 6ccm
RETSP RETSP
L L L
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
F
TDH39 HDA280
10 Ω 37 Ω
Artificial
6ccm 6ccm
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
Norway Speech RETSPL
DD450 HDA300 EAR3A
40 Ω 23 Ω 10 Ω
Artificial
ear ear 2ccm
RETSP RETSP
L RETSPL L
40 40
3.5 1
5.5 2 40
40 40
3.5 1
5.5 2 40
22.5 22.5 22.5
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity
C
Norway Speech max HL
DD450 HDA300 EAR3A
40 Ω 23 Ω 10 Ω
ear Artificial ear 2ccm
Max HL 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 CIR
10 Ω 10 Ω 68 Ω
2ccm 2ccm 2ccm
RETSP RETSP RETSP
L L L
40 40 40
40 40 40
22.5 22.5 22.5
IP30 EAR5A CIR
10 Ω 10 Ω 68 Ω
2ccm 2ccm 2ccm
Max HL
80 80 70
70 70 70
85 85 85
Page 78
B71 B81
10 Ω 12.5 Ω
Mastoi Mastoi
d d
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