G.R.A.S. 43AD Ear Simulator Kit According to ITU-T Rec. P57 Type 1

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

The 43AD comprises:

Theoretical dynamic range lower limit with G.R.A.S. preamplifier dB(A) 25
Theoretical dynamic range upper limit with G.R.A.S. preamplifier @ +28 V / ±14 V power supply dB 153
Theoretical dynamic range upper limit with G.R.A.S. 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 Complex
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 60318-1 (former 60318)
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

Included

G.R.A.S. RA0039 IEC 318 Ear Simulator
G.R.A.S. 40AG ½" Pressure Microphone, Wide Frequency
G.R.A.S. 26AK ½" Preamplifier
G.R.A.S. AA0008 3 m Extension Cable
GR0332 Snap Coupling (female)
GR0336 Snap Coupling (male)
GR0339 for testing earphones fitted with fluid cushions

Optional

G.R.A.S. 12AK Power Module
G.R.A.S. 42AA Pistonphone