CRY502 Preamplifier
1/2'', dual / single power supply, with cable and DB9 port
CRY502 Preamplifier is paired with a pre-polarization 1/2" measurement microphone for impedance conversion and preamplification. It is compatible with 1/2" measurement microphones from such suppliers as B&K and GRAS and can be connected to piezoelectric ceramic vibration transducers. The preamplifier can be connected to a 1/2'' measurement microphone and is featured by high input impedance, low output impedance, low noise, and wide frequency response range. It is suitable for electroacoustic test systems, multi-channel noise analysis and other applications.
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Impedance conversion
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Low noise
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Wide frequency response range
| Technical specification of CRY502 |
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| Frequency response range | 10Hz~80kHz(±0.2dB) |
| Input impedance | >5GΩ |
| Output impedance | <20Ω |
| Distortion factor (THD) | <0.1% |
| Max. output voltage | >5.0 Vrms |
| Power Supply Mode 1 | Dual power supply: ±3 V - ±10 V, < 1 mA |
| Power Supply Mode 2 | Single power supply: +5 V - +20 V, < 1 mA |
| Noise (A-weighted) | ＜3 μVrms |
| Noise, linear (20 - 20 kHz) | ＜10 μVrms |
| Gain | 0dB |
| Port type | 9-Pin, RS232 (DB9) |
| Applicable temperature range | -30℃ ~ +70℃ |
| Thread interface | 11.7mm x 60UNS （M11.7×0.423mm） |
| Diameter | 12.7mm (1/2'') |
| Length | 41.5mm |
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