Callisto RETSPL-HL Tabel
Transducer
Impedance
Coupler
RETSPL
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
DD45 (G
-G
) PTB-DTU report 2009-2010.
F
C
TDH39 (G
-G
) IEC60645-2 1997.
F
C
DD65V2 (GF-GC) PTB-AAU report 2018.
DD450 (G
-G
) ANSI S3.6 2018 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, DD65V2, DD450, HDA300) and EAR 3A,
IP30, B71 and B81 STAF 1996 and IEC60645-2 1997 (no weighting).
Transducer
Impedance
Coupler
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
Sweden Speech RETSPL
DD45
TDH39
DD65V2
10 Ω
10 Ω
10 Ω
6ccm
6ccm
Artificial ear
RETSPL
RETSPL
22.0
22.0
20
3.5
0.5
1.5
22.0
22.0
4.5
27.0
27.0
20
3.5
0.5
1.5
27.0
27.0
4.5
-G
F
Sweden Speech max HL
DD45
TDH39
DD65V2
10 Ω
10 Ω
10 Ω
6ccm
6ccm
Artificial ear
Max HL
Max HL
Max HL
98
98
85
110
110
105
99
95
100
88
88
80
105
110
95
89
85
100
95
95
90
HDA200
HDA300
40 Ω
23 Ω
Artificial ear
Artificial ear
RETSPL
RETSPL
RETSPL
20.0
20.0
3.5
1.0
5.5
2.0
20.0
20.0
3.5
1.0
5.5
2.0
) from IEC60645-2 1997 (acoustical equivalent sensitivity
C
HDA200
HDA300
40 Ω
23 Ω
Artificial ear
Artificial ear
Max HL
Max HL
85
90
95
105
105
115
80
85
90
105
100
115
85
90
EAR3A
IP30
EAR5A
10 Ω
10 Ω
10 Ω
2ccm
2ccm
2ccm
RETSPL
RETSPL
21.0
21.0
21.0
26.0
26.0
26.0
EAR3A
IP30
EAR5A
10 Ω
10 Ω
10 Ω
2ccm
2ccm
2ccm
Max HL
Max HL
Max HL
94
94
99
84
84
84
85
85
85
B71
B81
10 Ω
12.5 Ω
Mastoid
Mastoid
RETFL
RETFL
55.0
55.0
55.0
55.0
B71
B81
10 Ω
12.5 Ω
Mastoid
Mastoid
Max HL
Max HL
60
60
50
50
55
60