Interacoustics Callisto Instructions D'utilisation page 368

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
IEC SPL Speech level IEC60645-2 1997 (acoustical linear weighting).
IEC Speech Equivalent free field level (G
weighting).
IEC Speech Not linear level 1 kHz RETSPL (DD45, TDH39, DD65V2, DD450, HDA300) and EAR3A, IP30,
B7 and B81 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
SPL Speech RETSPL
TDH39 DD65V2
10 Ω 10 Ω
6ccm Artificial ear
RETSPL RETSPL
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity
F C
SPL Speech max HL
DD45 TDH39 DD65V2
10 Ω 10 Ω 10 Ω
6ccm 6ccm Artificial ear
Max HL Max HL Max HL
115 115 105
110 110 105
120 115 100
110 110 100
105 110 100
115 110 100
115 115 110
DD450 HDA300 EAR3A
40 Ω 23 Ω 10 Ω
Artificial ear Artificial ear 2ccm
RETSPL RETSPL RETSPL
0 0
0 0
0 0 0
0 0
0 0
0 0 0
DD450 HDA300 EAR3A
40 Ω 23 Ω
Artificial ear Artificial ear
Max HL Max HL Max HL
95 105
90 105
110 115
90 100
85 105
105 115
105 110
IP30 EAR5A
10 Ω 10 Ω
2ccm 2ccm
RETSPL RETSPL
0 0
0 0
IP30 EAR5A
10 Ω 10 Ω 10 Ω
2ccm 2ccm 2ccm
Max HL Max HL
115 115 120
110 110 110
105 105 105
B71 B81
10 Ω 12.5 Ω
Mastoid Mastoid
RETFL RETFL
0 0
0 0
B71 B81
10 Ω 12.5 Ω
Mastoid Mastoid
Max HL Max HL
110 110
105 105
110 115