CRY3401 Free-field Microphone, 1/4″, Prepolarized, 15.8mV/Pa

The CRY3401 is a 1/4-inch free-field prepolarized measurement microphone designed specifically for sensitive acoustic testing in low-noise environments.

The unique design of CRY3401 provides it with very low self-noise and a measurement frequency range of up to 40 kHz. It is capable of withstanding sound pressure levels up to 144 dB. It is an excellent general-purpose measurement microphone set suitable for high-definition audio measurements and other ultrasonic acoustic applications.

Technical Specifications
Field Type
Free-field
Noominal Sensitivity
15.8mV/Pa, -36±1.5dB re 1V/Pa
Frequency Response
4Hz to 40kHz±2dB
Polarization Voltage
0V
Dynamic Range(re.20uPa)
26dBA to 142dB
Operating Temperature
-20 to +60℃ (-4 to +140℉)
Temperature Stability
0.010dB/℃(-10 to +50℃) 0.006dB/℉(+14 to +122℉)
Static Pressure Stability
-0.01dB/kPa
Operating Humidity Range
0 to 90%RH no condensation
Humidity Stability
< 0.1dB (0 to 90%RH no condensation)
Pressure Equalization Vent
Side vented
IEC 61094-4 Type
WS3F
Height with Grid
10.5mm (0.413")
Diameter with Grid
7mm (0.276")
Main Features
Product Highlights
CRY3401 Measurement Microphone Typical Frequency Response

CRY3401 Measurement Microphone Typical Frequency Response

The graph (right) shows the frequency response curves for 0° incidence in a free-field environment and the frequency response curves obtained using the electrostatic excitation method.

CRY3401 Measurement Microphone Typical Frequency Response
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