Preamplifier
  • Preamplifier

CRY508 Preamplifier

1/2'', ICP power supply, base-type, BNC port

CRY508 ICP 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
  • Stainless steel case
  • ICP power supply
Technical specification
Technical specification of CRY508

Frequency response range20 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 ModeICP (2 mA - 10 mA)
Typical operating current4 mA
Noise (A-weighted)<3 μVrms
Noise, linear (20 - 20 kHz)<10 μVrms
Gain-0.3dB
Port typeBNC
Applicable temperature range-30℃ ~ +70℃
Thread interface11.7mm x 60UNS (M11.7×0.423mm)
Diameter61mm (1/2'')
Length25mm

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