• Preamplifier

CRY547 Preamplifier

1/4'', IEPE power supply, SMB port

CRY547 Preamplifier is paired with a pre-polarization 1/4" measurement microphone,and featured by high input impedance, low noise floor, and a wide frequency response range.It can be used with CRY300 series 1/4'' pre-polarization measurement microphones and is also compatible with other brands of measurement microphones, such as B&K and G.R.A.S. CRY547 preamplifier is suitable for wide operating temperature and humidity.Its low output impedance can support long distance transmission.Preamplifier, cable and connector meet EMC requirements, bandwidth can up to 80kHz .

  • High industrial compatibility
  • Small size
  • Wide frequency response range
Technical specification
Technical specification of CRY547
Frequency response range10 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 Modesingle power supply: ±15V~±28V
Noise (A-weighted)<3 μVrms
Noise, linear (20 - 20 kHz)<10 μVrms
Gain0 dB
Port typeSMB
Applicable temperature range-30℃ ~ +70℃
Thread interface5.7mm×60UNS(M5.7×0.423mm)


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