G.R.A.S. 43AC-S1 CCP Ear Simulator Kit According to IEC 60318-4

Connection: 0 V/CCP
Volume: 1260 @ 500 Hz
Dyn range: 25 dB(A)to 150 dB
ANSI: S3.7
IEC: 60318-4

 The G.R.A.S. 43AC-S1 is a complete test jig for acoustically testing earphones coupled to the ear via inserts such as tubes and ear moulds and complies with the following international requirements:

  • IEC 60318-4: Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts.
  • ITU-T Recommendations P.57 (08/96) Series P: Telephone transmission quality, Objective measuringapparatus: Artificial ears.

The 43AC-S1 comprises:

The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.
Click G.R.A.S. RA0045-S1 for more information about the RA0045-S1 Ear Simulator.

An externally polarized version is available, G.R.A.S. 43AC.

Theoretical dynamic range lower limit with G.R.A.S. preamplifier dB(A) 25
Theoretical dynamic range upper limit with G.R.A.S. CCP preamplifier dB 150
Set sensitivity @ 250 Hz (±2 dB) mV/Pa 12
Set sensitivity @ 250 Hz (±2 dB) dB re 1V/Pa -38.5
Coupler volume 1260 @ 500 Hz
Resonance frequency kHz 13.5
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
IEC standard 60318-4 (former 60711)
ITU-T recommondations P.57 Type 2
CE/RoHS compliant/WEEE registered Yes/Yes/Yes
Connector type Microdot 10/32
Weight g / oz 1.55 / 54.675

Optional Items

G.R.A.S. RA0196

High-tension springs (set of two)