CRY509 Preamplifier
1/2'', dual / single power supply, base-type, aviation four-core interface
CRY509 Preamplifier has an aviation four-core interface and featured by high input impedance, low output impedance, low noise floor, and a wide frequency response range. It can be used with CRY300 series 1/2'' pre-polarization measurement microphones and is also compatible with other brands of measurement microphones, such as B&K and G.R.A.S. Stainless steel gives it excellent corrosion resistance and robustness. Equipped with CRY711 Ear Stimulator or CRY318 Ear Stimulator, it can form a simulation test combination easily and rapidly.
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High industrial compatibility
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Excellent performance
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Aviation interface
| Pin Definition of CRY509 (standard cable for DB9) |
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| PIN2 | +5 V, red |
| PIN7 | -5 V, white |
| PIN4 | GND, green, shielding |
| PIN9 | SIGNAL, black |
| Technical specification of CRY509 |
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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 | 61mm |
| Length | 25mm |
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20 years industry experience
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24 hours Technical Support
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