GRAS 43AA-S3 Ear Simulator Kit incl. 26AB preamplifier

Connection: 200 V/LEMO
Volume: Complex
Dyn range: 25 dB(A) to 164 dB
ANSI: S3.7 IEC: 60318-1 & -2

Technology

The GRAS 43AA-S3 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.

A prepolarized version is available, GRAS 43AA-S2.

An externally polarized version with a GRAS 26AC-1 ¼ preamplifier is available, GRAS 43AA.

Specifications

Theoretical dynamic range lower limit with GRAS preamplifier
dB(A)
25
Theoretical dynamic range upper limit with GRAS preamplifier @ +120 V / ±60 V power supply
dB
164
Set sensitivity @ 250 Hz (±2 dB)
mV/Pa
12
Set sensitivity @ 250 Hz (±2 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
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

Miscellaneous

GRAS RA0196 High-tension springs (set of two)

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

Get Quote

Industry *
I accept to be contacted regarding my request. I also consent to receive any updates of the data in question. We log data to send you an email with links to the documents requested and provide you with future updates of the data in question.
Please fill google captcha