Microphone & PreAmplifier Combinations
Type 4955 ½-Inch Low-Noise Microphone System, 5 HZ TO 20 KHZ, 200 V Polarization
Low-noise TEDS 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
