Interacoustics AC40 Service Manual

AC40 Service Manual Page 11
IEC Speech Calibration
IEC TDH39
Coupler IEC 60318-3 1998 (6ccm)
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Linear Type A 20.0 110 20.0 100
Equ. FF Type A-E 0.5 120 0.5 115
Not Linear¹ 7.0 120 7.0 115
Speech WN 22.5 95
IEC HDA 280
Coupler IEC 60318-3 1998 (6ccm)
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Linear Type A 20.0 100 20.0 95
Equ. FF Type A-E 6.5 110 6.5 105
Not Linear¹ 7.5 120 7.5 120
Speech WN 22.5 95
IEC HDA 200
Coupler IEC60318-1 with type 1 adaptor
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
Frequency RETSPL MaxHL RETSPL MaxHL
Linear Type A 20.0 90 20.0 85
Equ. FF Type A-E 3.5 100 3.5 95
Not Linear¹ 5.5 110 5.5 105
Speech WN 22.5 90
IEC DD45
Coupler IEC 60318-3 1998 (6ccm)
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Linear
Type A
20.0
110
20.0
100
Equ. FF Type A-E 3.5 115 3.5 115
Not Linear¹ 6.0 120 6.0 115
Speech WN 22.5 95
¹ This value come from pure tone 1kHz RETSPL value. (Not linear describe
there is no equalizing of the signal flat electrical response)
IEC Ear 3A
Coupler IEC 60318-5 2006
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Speech 20.0 100 20.0 90
Speech WN 22.5 85
IEC Ear 5A
Coupler IEC 60318-5 2006
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Speech 20.0 100 20.0 90
Speech WN 22.5 85
IEC CIR 22/CIR33
Coupler IEC 60318-5 2006
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Speech 20.0 90 20.0 90
Speech WN 22.5 85
IEC B71
Coupler 60318-6 2007
Speech Audiometer
Speech Speech Noise
IEC60645-2 1997 IEC60645-2 1997
RETSPL MaxHL RETSPL MaxHL
Speech 55.0 60 55.0 50
Speech WN 57.5 55
IEC Free Field
ISO 389-7 2005 Free Field max SPL
Free Field max HL is found by subtracting the
selected RETSPL value
Binaural Monaural Free Field Power Free Field Line
0° 45° 90° 0° 45° 90° 0° - 45° - 90° 0° - 45° - 90°
RETSPL RETSPL RETSPL RETSPL RETSPL RETSPL Max SPL Max SPL
Speech 0.0 -4.0 -5.5 2.0 -2.0 -3.5 90 100
Speech Noise 0.0 -4.0 -5.5 2.0 -2.0 -3.5 85 100
Speech WN 2.5 -1.5 -3.0 4.5 0.5 -0.5 87.5 97.5

Interacoustics AC40 Specifications

General

Brand	Interacoustics
Model	AC40
Category	Measuring Instruments
Language	English