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43AC-S5 High-Frequency Ear Simulator Kit CCP
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43AC-S5 High-Frequency Ear Simulator Kit CCP
The GRAS 43AC-S5 Ear Simulator Kit with TEDS is a complete test-jig for high-frequency measurements up to 20 kHz on earphones coupled to the ear by inserts such as tubes and ear moulds.
The GRAS 43AC-S5 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:
43AC-S5 uses the RA0402 High Resolution Ear Simulator which extends the useful frequency range to 20 kHz. Read more abot the RA0402 here .
Key Specifications
| Theoretical dynamic range lower limit with GRAS preamplifier | 25 dB(A) |
| Theoretical dynamic range upper limit with GRAS preamplifier @ +28 V / ±14 V power supply | 153 dB |
| Set sensitivity @ 250 Hz (±2 dB) | 12 mV/Pa |
| Set sensitivity @ 250 Hz (±2 dB) | -38.5 dB re 1V/Pa |
| Coupler volume | 1260 @ 500 Hz mm³ |
| Resonance frequency | 13.5 kHz |
| Temperature range, operation | -30 to 60 °C / -22 to 140 °F |
| Temperature coefficient @250 Hz | -0.01 dB/°C / -0.006 dB/°F |
| Humidity range non condensing | 0 to 75 % RH |
| ANSI standard | S3.7 |
| IEC standard | 60318-4 (former 60711) |
| Connector type | Microdot 10/32 |
| Weight | 1550 g / 54.675 oz |
Specifications from the official GRAS product sheet. Please refer to the attached datasheet for full details.
