GRAS 43AA-S2 CCP Ear Simulator Kit According to IEC 60318-1 & -2

Connection: 0 V/CCP
Volume: Complex
Dyn range: 25 dB(A) to 150 dB
ANSI: S3.7
IEC: 60318-1 & -2

Technology

The GRAS 43AA-S2 CCP Ear Simulator Kit according to IEC 60318-1 & -2 is a complete test jig for acoustical measurements on telephone handsets and earphones in accordance with:

  • IEC60318-1 & -2 Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supraaural earphones, 1998-07
  • ITU-T Recommendation P.57 (08/96) Series P: Telephone transmission Quality, Objective measuring apparatus: Artificial Ears

It consists of the following components:

The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.

An externally polarized version is available, GRAS 43AA.

A version with a GRAS 26AB. Preamplifier is available, GRAS 43AA-S3.

 

 

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 (±3 dB)
mV/Pa
12
Set sensitivity @ 250 Hz (±3 dB)
dB re 1V/Pa
-38.5
Coupler volume
mm³
0.4 ccm
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 80
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
1.65 / 58.202

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

Ordering info

Included items

GRAS AA0070

3 m Microdot - BNC Cable

Optional items

GRAS RA0196 Retrofit High-tension Spring Kit for RA0052 (for previous versions (before summer 2014))

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

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