GRAS 43AC-S4 High-Frequency Ear Simulator Kit LEMO
Freq range: 3.15 Hz to 20 kHz
Dyn range: 25 dB(A) to 138 dB
Sensitivity: 50 mV/Pa
Use: For general acoustic diagnostics
The GRAS 43AC-S4 Ear Simulator Kit is a complete test jig for acoustically testing earphones coupled to the ear via inserts such as tubes and ear moulds and complies with the following international requirements:
IEC 60318-4: Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts.
43AC-S4 uses the RA0401 High-Frequency Ear Simulator which extends the useful frequency range to 20 kHz. Read more abot the RA0401 here.
The 43AC comprises:
GRAS RA0401 Externally Polarized High-Frequency Ear Simulator
GRAS 40AG 1/2" Pressure Microphone (included in RA0401)
GRAS 26AC 1/4" Preamplifier
GRAS RA0001 Right-angled Adapter
The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.
A prepolarized version is available, GRAS 43AC-S5.
|GRAS RA0401||High-Frequency Ear Simulator, including 40AG microphone (ext. polarized)|
|GRAS RA0001||Right Angled Adapter|
|GRAS RA0052||Test Jig|
|GRAS GR0435||In-ear Adapter|
|GRAS GR0436||Tube stud|
|GRAS GR0437||Ear-mould Simulator|
|GRAS GR0438||Union nut|
|GRAS GR0440||Tube stud|
|GRAS GR0433||Calibration Adapter|
|GRAS GR0434||Stop Washer|
|GRAS MI0070||Cord 0.2 m|
|GRAS 12AK||Power Module|
|GRAS RA0196||High-tension springs (set of two)|
GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.