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

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 140 dB. It is an excellent general-purpose measurement microphone set suitable for high-definition audio measurements and other ultrasonic acoustic applications.

  • Low-noise free-field microphone
  • Extensive compatibility
  • Durable, reliable, and high-quality
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

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.

Technical Specifications

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

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1/4 inch
Pre-polarized
Addition Plug-in
Microphone Array
Intrinsic Safe
Test Contents
Number of Channels
IEC 61672-1:2013 Class
Feature
Structure
Operation
Polarization
Size of Microphone
Application
Contact Testing