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CRY3408-S01 Pressure-field Prepolarized High-level Microphone Set, 1/4", 0.14mV/Pa
The CRY3408-S01 is a 1/4-inch prepolarized pressure-field measurement microphone set specifically engineered for acoustic measurements in high-SPL environments. Capable of operating without distortion at sound pressure levels of up to 180 dB SPL, it delivers stable and reliable data in applications where standard microphones may be inadequate or prone to overload.
From rocket engine test stands to industrial blast and shock-acoustic environments, the CRY3408-S01 is able to capture critical acoustic data under conditions that would overwhelm conventional measurement microphones, making it an essential tool for aerospace, defense, and heavy industry applications.
Technical Specifications
Field Type
Pressure-field
Sensitivity
0.14 mV/Pa, -77±3 dB re 1V/Pa
Frequency Response
10 Hz to 20 kHz ±2 dB
Polarization Voltage
0 V
Dynamic Range(re.20uPa)
70 dB-180 dB
Operating Temperature
-30℃ to +70℃ (-22℉ to +158℉)
Temperature Stability
-0.015 dB/℃ (-10-+50℃)
Static Pressure Stability
-0.01 dB/kPa
Operating Humidity Range
0 to 90%RH no condensation
Humidity Stability
< 0.1 dB (0 to 90%RH no condensation)
Pressure Equalization Vent
Side vented
IEC 61094-4 Type
WS3P
Output Impedance
＜50 Ω
Maximum Output Voltage
＞10.0 Vp
Current Source
IEPE (2 mA to 20 mA)
Typical Operating Current
4 mA
Interface Type
10-32UNF(Microdot)
Height with Grid
56.2 mm (2.213")
Diameter with Grid
7 mm (0.276")
Main Features
- Maximum SPL: 180 dB
- Prepolarized Design
- Pressure-Field Microphone
- 10-Year Warranty
Product Highlights
Purpose-Built for High-SPL Measurements
The CRY3408-S01 is specifically engineered for acoustic measurements in extreme high-SPL environments, with the capability to withstand sound pressure levels of up to 180 dB SPL. It is well suited for applications such as rocket and aerospace engine testing, industrial blast chambers, and other transient high-energy acoustic events. Its low sensitivity of 0.14 mV/Pa is optimized for ultra-high-SPL measurements, allowing the output to remain within the usable input range of the acquisition system even under 170–180 dB conditions. This helps prevent clipping and distortion that commonly occur with conventional microphones at such levels, ensuring more accurate and reliable measurement data. Whether for blast shock, impulse noise, airbag deployment, or gunshot testing, the CRY3408-S01 provides a stable and dependable solution.
Small-Diameter Design for Minimal Sound Field Disturbance
The CRY3408-S01 features a 1/4-inch microphone design that helps minimize disturbance to the original sound field during testing, enabling more accurate and representative measurement results. Compared with larger microphones, its compact sensing element offers clear advantages in high-frequency measurements, near-field testing, and space-constrained setups, while also reducing reflections and obstructions caused by the microphone body itself. This makes it particularly suitable for precision acoustic measurements where sound field fidelity is critical.
Easier Deployment in Demanding Test Setups
With its compact 1/4-inch form factor and prepolarized design, the CRY3408-S01 eliminates the need for an external 200 V polarization supply. It is compatible with IEPE/CCP/ICP powering, making it easier to integrate into both field and laboratory measurement chains. This makes it especially suitable for space-constrained and harsh test environments, such as turbine facilities, heavy manufacturing, DFAT systems, and aerospace acoustic fatigue testing.
CRY3408-S01 Measurement Microphone Set Typical Frequency Response
The graph (right)shows the frequency response curves obtained using the electrostatic excitation method.
10-Year Warranty
The CRY3408 measurement microphone is backed by a 10-year limited warranty from CRYSOUND. For details, please refer to the applicable warranty terms and service policy.
CRYSOUND recommends that the microphone be calibrated annually, with an additional calibration performed after exposure to extreme test environments.
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