GRAS 43AE Ear Simulator Kit According to ITU-T Rec. P57 Type 3.2

Connection: 200 V/LEMO
Volume: Complex
Dyn range: 26 dB(A) to 164 dB
ANSI: S3.7

Technology

The 43AE is an IEC 60318-4 (60711) Ear Simulator for acoustical testing of supra-aural earphones, telephone handsets and loudspeakers in accordance with

  • IEC60318-4 Occluded-ear simulator for the mesurem,ent of earphones coupled to the ear by ear inserts
  • ITU-T Recommendations P57 (08/96) Series P: Telephone transmission quality, Objective measuring apparatus: Artificial ears

The 43AE comprises:

 

 

Specifications

Theoretical dynamic range lower limit with GRAS preamplifier
dB(A)
25
Theoretical dynamic range upper limit with GRAS preamplifier @ +28 V / ±14 V power supply
dB
153
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
Coupler volume
mm³
0.4 ccm
Resonance frequency
kHz
Low 713.8, High 1570
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
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
1.05 / 37.038

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

Ordering info

Included

GRAS RA0045

IEC 60711 coupler with microphone included

GRAS 26AC

¼" Preamplifier

GRAS GR0010

¼" - ½" Adapter

GRAS RA0056

Low-leak Pinna Simulator

GRAS RA0057

High-leak Pinna Simulator

Optional

GRAS 12AK

Power Module

GRAS 42AA Pistonphone

Miscellaneous

GRAS RA0119

Pistonphone adapter

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

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