GRAS 43AF 1'' 6cc Coupler Kit According to IEC 60318-3

Connection: 200 V/LEMO
Volume: 6 cc
Dyn range: 14 dB(A) to 146 dB
ANSI: S3.7
IEC: 60318-3

Technology

The GRAS 43AF Coupler Kit is a complete test jig for acoustically testing telephone handsets and earphones and complies with ANSI S 3.7 – 1995 – American National Standard for Testing Earphones.

Specifications

Theoretical dynamic range lower limit with GRAS preamplifier
dB(A)
14
Theoretical dynamic range upper limit with GRAS preamplifier @ +28 V / ±14 V power supply
dB
134
Theoretical dynamic range upper limit with GRAS preamplifier @ +120 V / ±60 V power supply
dB
146
Set sensitivity @ 250 Hz (±2 dB)
mV/Pa
50
Set sensitivity @ 250 Hz (±2 dB)
dB re 1V/Pa
-26
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
IEC standard
60318-3 (former 60303)
ITU-T recommondations
P.380
CE/RoHS compliant/WEEE registered
Yes/Yes/Yes
Connector type
3 m 7-pin LEMO
Weight
g / oz
1.75 / 61.729
Specification Conditions

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

Ordering info

Included

GRAS RA0075 NBS 9A Coupler
GRAS RA0076 Thread Adapter
GRAS 40EN 1" Microphone
GRAS 26AC ¼" Preamplifier
GRAS RA0052 Test Jig

Optional

GRAS 12AK Power Module
GRAS 42AA Pistonphone

Miscellaneous

GRAS RA0196 High-tension springs (set of two)

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

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