GRAS 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

Technology

 The GRAS 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 GRAS RA0045-S1 for more information about the RA0045-S1 Ear Simulator.

An externally polarized version is available, GRAS 43AC.

Specifications

Theoretical dynamic range lower limit with GRAS preamplifier
dB(A)
25
Theoretical dynamic range upper limit with GRAS 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
mm³
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
Specification Conditions

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

Ordering info

Optional Items

GRAS RA0196

High-tension springs (set of two)

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

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