GRAS 43AA Ear Simulator Kit According to IEC 60318-1 & -2
Connection: 200 V/LEMO
Volume: Complex
Dyn range: 25 dB(A) to 164 dB
ANSI: S3.7
IEC: 60318-1 & -2
The GRAS 43AA Ear Simulator Kit is a complete test jig for acoustical measurements on telephone handsets and earphones. It includes an IEC 60318 Ear Simulator RA0039 which is individually calibrated according to the ITU-T Recommendation P.57 (08/96) ”Series P: Telephone transmission quality, objective measuring apparatus: artificial ears.
Technology
The GRAS 43AA 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 40AG ½" Pressure Microphone
- GRAS 26AC 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.
A prepolarized version is available, GRAS 43AA-S2.
A version with a GRAS 26AB. Preamplifier is available, GRAS 43AA-S3.
Specifications
GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.
Ordering info
Included
| GRAS RA0039 | IEC 318 Ear Simulator |
| GRAS 40AG | ½" Pressure Microphone, Wide Frequency |
| GRAS 26AC | ¼" Preamplifier |
| GRAS RA0052 | Test Jig |
GRAS GR0339 | Circum-aural plate |
Optional
| GRAS 12AK | Power Module |
| GRAS 42AA | Pistonphone - calibration source |
Miscellaneous
| GRAS RA0196 | High-tension springs (set of two) |
GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.
