Interacoustics Callisto Instructions D'utilisation page 367

Callisto RETSPL-HL Tabel
Transducer DD45
Impedance 10 Ω
Coupler 6ccm
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
Japan Speech level JIS T1201-2:2000 (acoustical linear weighting).
Japan Speech Equivalent free field level (G
weighting).
Japan Speech Not linear level 1 kHz RETSPL (DD45, TDH39, DD65V2, DD450, HDA300) and EAR 3A,
IP30, B71 and B81 IEC60645-2 1997 (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
Japan Speech RETSPL
TDH39 DD65V2
10 Ω 10 Ω
6ccm Artificial ear
RETSPL RETSPL
14 14 14
3.5 0.5 1.5
6 7 4.5
14 14 14
3.5 0.5 1.5
6 7 4.5
-G
F
Japan Speech max HL
DD45 TDH39 DD65V2
10 Ω 10 Ω 10 Ω
6ccm 6ccm Artificial ear
Max HL Max HL
106 106 91
110 110 105
115 110 100
101 101 86
105 110 95
110 105 100
95 95 90
DD450 HDA300
40 Ω 23 Ω
Artificial ear Artificial ear
RETSPL RETSPL RETSPL
14 14
3.5 1
5.5 2
14 14
3.5 1
5.5 2
) from IEC60645-2 1997 (acoustical equivalent sensitivity
C
DD450 HDA300
40 Ω 23 Ω
Artificial ear Artificial ear
Max HL Max HL
91 96
95 105
105 115
86 91
90 105
100 115
85 90
EAR3A IP30 EAR5A
10 Ω 10 Ω 10 Ω
2ccm 2ccm 2ccm
RETSPL RETSPL
14 14 14
14 14 14
EAR3A IP30 EAR5A
10 Ω 10 Ω 10 Ω
2ccm 2ccm 2ccm
Max HL Max HL Max HL
101 101
96 96
85 85 85
B71 B81
10 Ω 12.5 Ω
Mastoid Mastoid
RETFL RETFL
49 49
49 49
B71 B81
10 Ω 12.5 Ω
Mastoid Mastoid
Max HL Max HL
66 66
56 56
55 60