G.R.A.S. 43AE Ear Simulator Kit According to ITU-T Rec. P57 Type 3.2

Connection: 200 V/LEMO
Volume: Complex
Dyn range: 26 dB(A) to 164 dB
ANSI: S3.7

The 43AE is an IEC 60318-4 (60711) Ear Simulator for acoustical testing of supra-aural earphones, telephone handsets and loudspeakers in accordance with

  • IEC60318-4 Occluded-ear simulator for the mesurem,ent of earphones coupled to the ear by ear inserts
  • ITU-T Recommendations P57 (08/96) Series P: Telephone transmission quality, Objective measuring apparatus: Artificial ears

The 43AE comprises:

 

 

Theoretical dynamic range lower limit with G.R.A.S. preamplifier dB(A) 25
Theoretical dynamic range upper limit with G.R.A.S. preamplifier @ +28 V / ±14 V power supply dB 153
Theoretical dynamic range upper limit with G.R.A.S. preamplifier @ +120 V / ±60 V power supply dB 164
Set sensitivity @ 250 Hz (±2 dB) mV/Pa 12
Set sensitivity @ 250 Hz (±2 dB) dB re 1V/Pa -38.5
Coupler volume Complex
Resonance frequency kHz Low 713.8, High 1570
Temperature range, operation °C / °F -30 to 60 / -22 to 140
Temperature coefficient @250 Hz dB/°C / dB/°F -0.01 / -0.006
Humidity range non condensing % RH 0 to 75
ANSI standard S3.7
ITU-T recommondations P.57 Type 1
CE/RoHS compliant/WEEE registered Yes/Yes/Yes
Connector type 3 m 7-pin LEMO
Weight g / oz 1.05 / 37.038

Included

G.R.A.S. RA0045

IEC 60711 coupler with microphone included

G.R.A.S. 26AC

¼" Preamplifier

G.R.A.S. GR0010

¼" - ½" Adapter

G.R.A.S. RA0056

Low-leak Pinna Simulator

G.R.A.S. RA0057

High-leak Pinna Simulator

 

Optional

G.R.A.S. 12AK

Power Module

G.R.A.S. 42AA

Pistonphone

 

Miscellaneous

G.R.A.S. RA0119

Pistonphone adapter