CRY543 Preamplifier
1/4'', dual / single power supply, with cable and DB9 port
CRY543 Preamplifier is paired with a pre-polarization 1/4" measurement microphone,and featured by high input impedance, low noise floor, and a wide frequency response range.It can be used with CRY300 series 1/4'' pre-polarization measurement microphones and is also compatible with other brands of measurement microphones, such as B&K and G.R.A.S. CRY543 preamplifier is suitable for wide operating temperature and humidity.Its low output impedance can support long distance transmission.Preamplifier, cable and connector meet EMC requirements, bandwidth can up to 40kHz .
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Small size
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High industrial compatibility
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Wide frequency response range
| Pin definition of CRY543 |
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| PIN2 | +5 V, red |
| PIN7 | -5V,white |
| PIN4 | GND, green, shielding |
| PIN9 | SIGNAL,black |
| Technical specification of CRY543 |
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| Frequency response range | 10 Hz - 80 kHz (±0.2 dB) |
| Input impedance | >1GΩ |
| Output impedance | <20Ω |
| Distortion factor (THD) | <0.1% |
| Max. output voltage | >5.0 Vrms |
| Power Supply Mode | Dual power supply: ± 3V to ± 10V, <1 mA; single power supply: +5 V to +20 V, <1 mA |
| Noise (A-weighted) | ＜3 μVrms |
| Noise, linear (20 - 20 kHz) | ＜10 μVrms |
| Gain | 0 dB |
| Port type | Aviation plug (standard cable for conversion between aviation plug and DB9) |
| Applicable temperature range | -30℃ ~ +70℃ |
| Thread interface | 11.7mm x 60UNS （M11.7×0.423mm） |
| Diameter | 6.35mm(1/4'') |
| Length | 36mm |
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