Description
Product Video
Features
Performance
Test Conditions: Temperature 23 ℃, Relative Humidity 50 %RH
Dimensions
Microphone
From Sound Level Meters and Acoustic Imagers to Calibrators and sound level sensor for professional testing and research.
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AWA14425 High-Sensitivity Free-Field Measuring Microphone
High-Sensitivity General-Purpose Design: Optimized for high-precision free-field acoustic measurements, meeting routine sound signal measurement needs across conventional noise and electroacoustic testing.
Laser-Welded Diaphragm for Superior Stability: Delivers excellent long-term stability and strong environmental adaptability for consistent, drift-free measurement accuracy.
SJ/T 10724 Class 1 Engineering-Grade Compliance: Meets stringent Class 1 engineering microphone standards, ensuring reliable, standardized performance for professional acoustic analysis.
Flexible Preamplifier Compatibility: Works with both IEPE and conventional preamplifiers, offering versatile system integration across different measurement setups.
Cleanroom Assembly for Low-Noise Performance: Manufactured and calibrated in a cleanroom environment, ensuring a low noise floor, high stability, and a wide frequency response for professional-grade results.
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Class 1SLM -
Mobile App -
IEC61672
01
Product Description
The AWA14425 measuring microphone is a high-sensitivity, general-purpose measuring microphone specifically designed for high-precision free-field measurements, meeting the needs of routine sound signal measurement. The AWA14425 diaphragm is laser-welded, exhibiting excellent stability and environmental adaptability. Its performance meets the Class 1 engineering measuring microphone requirements of SJ/T 10724 and can be used with IEPE or conventional preamplifiers. Assembly and debugging of the AWA144XX series measuring microphones are performed in a cleanroom, featuring a low noise floor, high stability, and a wide frequency response range. It can be used with multi-channel analyzers, noise analyzers, electroacoustic testers, and other instruments for noise measurement and analysis, and can also replace measuring microphones from other domestic and international brands.
Product Video
Features
High- Precision Free-Field Design
Specifically engineered for routine, high-precision free-field acoustic measurement applications
Laser-Welded Diaphragm Construction
Provides excellent long-term stability and strong environmental adaptability for consistent measurement accuracy
Dual Preamplifier Compatibility
Supports both IEPE and conventional preamplifiers for flexible system integration
Wide Dynamic Range (18–146 dB)
Suitable for measurements from very low background noise to high sound pressure levels
Versatile Application Range
Ideal for noise measurement, electroacoustic testing, and instrument replacement for domestic and international brand microphones
OEM Solutions
OEM/ODM customization available. Learn more.
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AWA14425 High-Sensitivity Free-Field Measuring Microphone |
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Sound Field Type |
Free field |
Equalization Method |
Equalizing Pressure |
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Diameter |
1/2 inch |
Operating Temperature (°C) |
-30 to +80 |
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Dimensions (IEC 61094) |
WS2F |
Temperature Coefficient (dB/°C) (@250 Hz) |
0.01 (-10 ℃～50 ℃) |
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Polarization Voltage (V) |
0 |
Static Pressure Coefficient (dB/kPa) |
-0.01 |
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Sensitivity (mV/Pa) (@250 Hz ±2.0 dB) |
39.8 |
Humidity Range (%RH) |
0～100 |
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Frequency Range (Hz) |
3.15～20k |
Height (including protective cover) (mm) |
17.5 |
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Typical Capacitance (pF) (@250Hz) |
16 |
Diameter (including protective cover) (mm) |
13.2 |
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Dynamic Range |
18 dB～146dB |
Height (excluding protective cover) (mm) |
16.6 |
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Noise Floor (dBA) |
≤18 |
Diameter (excluding protective cover) (mm) |
12.7 |
Frequency Response
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No.37 Xianxing Rd Xianlin Town Yuhang District Hangzhou Zhejiang China
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