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:
- IEC 60318-1 & -2 GRAS RA0039 Ear Simulator
- GRAS 40AO ½" Pressure Microphone
- GRAS 26CB ¼" Preamplifier
- GRAS RA0052 Test Jig
- Mounting plates for circum-aural and supra-aural headphones
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
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
BNC
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.
