Interacoustics AC40 Service Manual

AC40 Service Manual Page 10
Survey of reference and max hearing level Speech Audiometer
ANSI Speech
ANSI TDH39
Coupler: ANSI S3.7-1995 (NBS-9A) / IEC 60318-3 1998 (6ccm)
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
RETSPL MaxHL RETSPL MaxHL
Linear Type A 19.5 110 19.5 100
Equ. FF Type A-E 15.5 105 15.5 100
Not Linear¹ 7.0 120 7.0 115
Speech WN 22.0 95
ANSI HDA 280
Coupler: ANSI S3.7-1995 (NBS-9A) / IEC 60318-3 1998 (6ccm)
Speech Audiometer
Speech Speech Noise
RETSPL MaxHL RETSPL MaxHL
Linear Type A 20.0 100 20.0 95
Equ. FF Type A-E 21.5 95 21.5 90
Not Linear¹ 7.5 120 7.5 120
Speech WN 22.5 95
ANSI HDA 200
Coupler: IEC60318-2 with type 1 adaptor
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
Frequency RETSPL MaxHL RETSPL MaxHL
Linear Type A 19.0 90 19.0 85
Equ. FF Type A-E 18.5 85 18.5 80
Not Linear¹ 5.5 110 5.5 105
Speech WN 21.5 90
ANSI DD45
Coupler: ANSI S3.7-1995 (NBS-9A) / IEC 60318-3 1998 (6ccm)
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
RETSPL MaxHL RETSPL MaxHL
Linear Type A 18.5 110 18.5 100
Equ. FF Type A-E 18.5 100 18.5 100
Not Linear¹ 6.0 120 6.0 115
Speech WN 21.0 95
¹ This value come from pure tone 1kHz RETSPL value. (Not linear describe
there is no equalizing of the signal flat electrical response)
ANSI Ear 3A
Coupler: ANSI S3.7-1995 (HA-2 with 5mm rigid Tube)
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
RETSPL MaxHL RETSPL MaxHL
Speech 12.5 110 12.5 100
Speech WN 15.0 95
ANSI Ear 5A
Coupler: IEC 60318-5 2006
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
RETSPL MaxHL RETSPL MaxHL
Speech 12.5 110 12.5 100
Speech WN 15.0 95
ANSI CIR 22/CIR33
Coupler: ANSI S3.7-1995 (HA-2)
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
RETSPL MaxHL RETSPL MaxHL
Speech 12.5 100 12.5 100
Speech WN 15.0 95
ANSI B71
Coupler: ANSI S3.13-1987 (R2002)
Speech Audiometer
Speech Speech Noise
ANSI S3.6-2010 ANSI S3.6-2010
RETSPL MaxHL RETSPL MaxHL
Speech 55.0 60 55.0 50
Speech WN 57.5 55
ANSI Free Field
ANSI S3.6-2010 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 15.0 11.0 9.5 17.0 13.0 11.5 90 100
Speech Noise 15.0 11.0 9.5 17.0 13.0 11.5 85 100
Speech WN 17.5 13.5 12.0 19.5 15.5 14.0 87.5 97.5

Interacoustics AC40 Specifications

General

Brand	Interacoustics
Model	AC40
Category	Measuring Instruments
Language	English