Ear simulator/coupler
Ear simulator/coupler
  • Ear simulator/coupler

CRY886 Ear simulator/coupler

0.4 cc coupled cavity, resonant frequency = 30 kHz

CRY886-S01 is a high-frequency coupler kit for testing hearing aids with frequency up to 16 kHz. The coupled cavity increases the resonance frequency to 30 kHz, so it does not interfere with measurements within the audio range. The volume of the coupled cavity is 0.4 CC. The sensitivity of CRY342 Measurement Microphone in CRY886-S01 kit is 1.6 mV / Pa, and the noise floor is 40 dB(A). CRY886-S01 coupled cavity kit is used for research, testing, and production of acoustic devices, such as hearing aids and headphones.

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  • Reusable
  • Resistant to harsh environments
  • Wide range of applications
Features
Standard-compliant

Standard-compliant

  • Compliance with IEC TS 62886:2016 Hearing aids - Method for measuring electroacoustic performance up to 16kHz

  • Compliance with IEC 61094-4:1995 Measurement microphones - Part 4: Specifications for working standard microphones

  • Compliance with GB/T 20441.4-2006 Measurement microphones - Part 4: Specifications for working standard microphones

CRY886 frequency response curve

CRY342 Measurement Microphone is a pre-polarization 1/4'' pressure-field type condenser measurement microphone. Due to its low sensitivity, it is mainly used for high sound pressure and high frequency measurements. It can measure sound pressure levels up to 168 dB. Titanium film can achieve high stability and high accuracy in harsh environments.

CRY547 Preamplifier can be used with a 1/4'' measurement microphone to convert impedance. This preamplifier has high input impedance, low output impedance, low noise, wide frequency response range and other characteristics. It can be used for electroacoustic test systems or multi-noise analysis.

CRY886 frequency response curve
CRY886 frequency response curve

CRY886 frequency response curve

CRY342 Measurement Microphone is a pre-polarization 1/4'' pressure-field type condenser measurement microphone. Due to its low sensitivity, it is mainly used for high sound pressure and high frequency measurements. It can measure sound pressure levels up to 168 dB. Titanium film can achieve high stability and high accuracy in harsh environments.

CRY547 Preamplifier can be used with a 1/4'' measurement microphone to convert impedance. This preamplifier has high input impedance, low output impedance, low noise, wide frequency response range and other characteristics. It can be used for electroacoustic test systems or multi-noise analysis.

Technical specification
CRY886-S01 high-frequency coupled cavity

Coupled cavity volume

0.4cc

Resonant frequency

30kHz

Frequency Response (FR)

100Hz~16kHz

Sensitivity (±2 dB)

1.6mV/Pa

Sensitivity (±2 dB)-56dB re 1V/Pa

Polarization voltage

0V(pre-polarization)

Upper limit of dynamic range (re 20 uPa)

≥164dB(distortion factor < 3%)

Lower limit of dynamic range (re 20uPa)

≤40dB(A)

Operating temperature

-20℃~60℃

Temperature coefficient (-10 ℃ - 50 °C)

0.01dB /℃

Relative humidity range

0~90% (without condensation)

Power supply of preamplifier

ICP (2~10mA)

Connection of preamplifier

SMB coaxial plug/BNC

Configuration Checklist

CRY886 0.4cc high-frequency coupler

CRY342 1/4'' Pre-Polarization Pressure-Field Measurement Microphone

CRY547 1/4'' ICP Preamplifier

BL5706 SMB - BNC cable / 1.5 m

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