Preamplifier
Preamplifier
  • Preamplifier

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
  • Excellent performance
  • Aviation interface
Technical specification
Pin Definition of CRY509 (standard cable for DB9)
PIN2+5 V, red
PIN7-5 V, white
PIN4GND, green, shielding
PIN9SIGNAL, black
Technical specification of CRY509
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 ModeDual 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
Gain0 dB
Port typeAviation plug (standard cable for conversion between aviation plug and DB9)
Applicable temperature range-30℃ ~ +70℃
Thread interface11.7mm x 60UNS (M11.7×0.423mm)
Diameter61mm
Length25mm

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  • 20 years industry experience

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