Interacoustics AA222 - Page 82

AA222 Instructions for Use – US Page 76
IEC Speech RETSPL
Transducer
DD45
TDH39
HDA280
DD450
HDA300
EAR3A
IP30
EAR5A
CIR
B71
B81
Impedance
10 Ω
10 Ω
37 Ω
40 Ω
23 Ω
10 Ω
10 Ω
10 Ω
68 Ω
10 Ω
12.5 Ω
Coupler
6ccm
6ccm
6ccm
Artificial
ear
Artificial
ear
2ccm
2ccm
2ccm
2ccm
Mastoi
d
Mastoi
d
RETSP
L
RETSP
L
RETSP
L
RETSP
L
RETSPL
RETSP
L
RETSP
L
RETSP
L
RETSP
L
RETFL
RETFL
Speech
20
20
20
20
20
Speech Equ.FF.
3.5
0.5
6.5
3.5
1
Speech Non-linear
6
7
7.5
5.5
2
20
20
20
20
55
55
Speech noise
20
20
20
20
20
Speech noise Equ.FF.
3.5
0.5
6.5
3.5
1
Speech noise Non-
linear
6
7
7.5
5.5
2
20
20
20
20
55
55
White noise in speech
22.5
22.5
22.5
22.5
22.5
22.5
22.5
22.5
22.5
57.5
57.5
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
TDH39 (G
F
-G
C
) IEC60645-2 1997.
HDA280 (G
F
-G
C
) PTB report 2004.
HDA300 (G
F
-G
C
) PTB report 2013.
IEC Speech level IEC60645-2 1997 (acoustical linear weighting)
IEC Speech Equivalent free field level (G
F
-G
C
) from IEC60645-2 1997 (acoustical equivalent sensitivity
weighting)
IEC Speech Not linear level 1 kHz RETSPL (DD45-TDH50-HDA300) and EAR3A – IP30 - B71- B81
IEC60645-2 1997 (no weighting)