Affinity 2 RETSL-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
weighting)
Sweden Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – EAR5A –
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
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
F
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
HDA300
Koss R80
EAR3A
23 Ω
60 Ω
10 Ω
Artificial ear
2ccm
RETSPL
RETSPL
RETSPL
20
1
2
21
20
1
2
26
22.5
22.5
) from IEC60645-2 1997 (acoustical equivalent sensitivity
C
HDA300
Koss R80
EAR3A
23 Ω
60 Ω
10 Ω
Artificial ear
Artificial ear
2ccm
Max HL
Max HL
Max HL
95
110
120
99
90
110
120
84
95
85
IP30
EAR5A
CIR22/33
B71
10 Ω
10 Ω
68 Ω
10 Ω
2ccm
2ccm
2ccm
Mastoid
RETSPL
RETSPL
RETSPL
RETFL
21
21
21
55
26
26
26
55
22.5
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
60
84
84
84
50
85
85
85
55
B81
BKH10
12.5 Ω
10 Ω
Mastoid
Mastoid
RETFL
RETFL
55
55
55
55
57.5
57.5
B81
BKH10
12.5 Ω
10 Ω
Mastoid
Mastoid
Max HL
Max HL
60
45
50
50
60
45