• Preamplifier

CRY507 Preamplifier

1/2'', IEPE power supply, BNC port

CRY507 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. This product is made of stainless steel, which gives it good toughness and makes it suitable for long-term storage. It is applicable to electroacoustic testers, multi-channel analyzers and the like.

  • High industrial compatibility
  • Excellent stability
  • IEPE power supply
Technical specification
Technical specification of CRY507

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 Mode 1IEPE (2 mA - 10 mA)
Noise (A-weighted)<3 μVrms
Noise, linear (20 - 20 kHz)<10 μVrms
Port typeBNC
Applicable temperature range-30℃ ~ +70℃
Thread interface11.7mm x 60UNS (M11.7×0.423mm)
Diameter12.7mm (1/2'')


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  • 20 years industry experience

  • 24 hours Technical Support

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  • 2 hours response
    Solution within 2 work days

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