Interacoustics AA222 Instructions For Use Manual page 561

AA222 Οδηγίες χρήσης – EL
Transducer DD45
10 Ω
Impedance
Coupler 6ccm
RETSPL
Speech 18.5
Speech
Equ.FF. 18.5
Speech
Non-linear 6
Speech noise 18.5
Speech
noise Equ.FF. 18.5
Speech
noise Non-linear 6
White noise in speech 21
DD45 (G -G ) PTB-DTU report 2009-2010.
F C
TDH39 (G -G ) ANSI S3.6 2010.
F C
HDA280 (G -G ) PTB report 2004.
F C
HDA300 (G -G ) PTB report 2013.
F C
ANSI Speech level 12.5 dB + 1 kHz RETSPL ANSI S3.6 2010 (acoustical linear weighting)
ANSI Speech Equivalent free field level 12.5 dB + 1 kHz RETSPL – (G
equivalent sensitivity weighting)
ANSI Speech Not linear level 1 kHz RETSPL ANSI S3.6 2010 (DD45-TDH39-HDA300) and EAR3A –IP30-
CIR- B71-B81 12.5 dB + 1 kHz RETSPL ANSI S3.6 2010 (no weighting)
ANSI Speech RETSPL
TDH39 HDA280 HDA300
10 Ω 37 Ω 23 Ω
6ccm 6ccm Artificial ear
RETSPL RETSPL RETSPL
19.5 20 14.5
15.5 21.5 16
7 7.5 2
19.5 20 14.5
15.5 21.5 16
7 7.5 2
22 22.5 17
EAR3A IP30 EAR5A
10 Ω 10 Ω 10 Ω
2ccm 2ccm 2ccm
RETSPL RETSPL RETSPL
12.5 12.5 12.5
12.5 12.5 12.5
15 15 15
-G ) from ANSI S3.6 2010(acoustical
F C
Σελίδα 83
CIR B71 B81
68 Ω 10 Ω 12.5 Ω
2ccm Mastoid Mastoid
RETSPL RETFL RETFL
12.5 55 55
12.5 55 55
15 57.5 57.5