Measurement microphone 4955

1/2"free-field

Overview
The Type 4955 is a low-noise ½" pressure-field microphone cartridge designed for sound power and free-field acoustic measurements. It is engineered to provide reliable operation in strong magnetic-field environments and is intended for use in acoustic metrology and NVH test applications.

Applications

• Sound power measurements
• Free-field acoustic measurements
• Measurements in strong magnetic-field environments
• Acoustic metrology laboratories and NVH test benches

Key features

• Low-noise ½" (half-inch) microphone cartridge
• Pressure-field acoustic design
• Optimized for sound power and free-field measurements
• Designed for reliable use in strong magnetic fields

Technical specifications

• Model: Type 4955
• Format: ½" (0.5 inch) microphone cartridge
• Acoustic type: Pressure-field
• Noise: low (suitable for precision measurements)
• Primary use: sound power and free-field measurements
• Environment: compatible with strong magnetic fields