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½"" low-noise microphone system Type 4955
TYPE 4955
1/2" Free-field Microphone, Low-noise, Ext. Polarized
Low noise microphone for sound power measurements and free-field measurements in strong magnetic fields, over a frequency range of 5 Hz to 20 kHz.
Request PriceLow-noise Microphone Type 4955 consists of a high sensitivity ½" cartridge, which has been optimised for the lowest inherent noise.
USE SCENARIOS
- Sound power measurements
- Low-level measurements
- In-cabin measurements
- Measurements in strong magnetic fields
- Homeland security applications
- Capacitance
- pF
- Diameter
- 1/2
- Dynamic range
- 6.5 – 110 dB
- Frequency range
- 10 – 16000 Hz
- Inherent noise
- 6.5 dB A
- Lower limiting frequency -3dB
- 10 Hz
- Optimised
- Low Noise
- Polarization
- Ext polarized
- Polarization voltages
- 200 V
- Pressure coefficient
- -0.013 dB/kPa
- Sensitivity
- 1100 mV/Pa
- Temperature coefficient
- -0.01 db/ºC
- Temperature range
- -20 – 100 C
- Venting
- Front
- Weight
- 34 gram
- Sound field
- Free-field
- Input type
- Classic
- Microphone type
- Low Noise