CRY508 Preamplifier
1/2'', IEPE power supply, base-type, BNC port
CRY508 IEPE Preamplifier is powered by constant current source and featured by high input 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. The output interface uses a BNC plug, which can be easily connected to the input terminal of a general instrument. 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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Stainless steel case
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IEPE power supply
| Technical specification of CRY508 |
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| Frequency response range | 20 Hz - 50 kHz (±0.2 dB), 10 Hz - 100 kHz (±0.5 dB) |
| Input impedance | >10 GΩ / 0.5 pF |
| Output impedance | <20Ω |
| Distortion factor (THD) | <0.1% |
| Max. output voltage | >5.0 Vrms (+24 V available) |
| Power Supply Mode | IEPE (2 mA - 10 mA) |
| Typical operating current | 4 mA |
| Noise (A-weighted) | ＜3 μVrms |
| Noise, linear (20 - 20 kHz) | ＜10 μVrms |
| Gain | -0.3dB |
| Port type | BNC |
| Applicable temperature range | -30℃ ~ +70℃ |
| Thread interface | 11.7mm x 60UNS （M11.7×0.423mm） |
| Diameter | 61mm (1/2'') |
| Length | 25mm |
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20 years industry experience
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Professional engineers on line response
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