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 here for more information about the RA0045-S1 Ear Simulator.

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

Miscellaneous

G.R.A.S. RA0196 High-tension springs (set of two)