1/2" LOW-NOISE MICROPHONE, FREE FIELD
This Low Noise Microphone is designed for sound power measurements and free-field measurements in strong magnetic fields, over a frequency range of 5 Hz to 20 kHz.
FAMILY 4955
Low Noise Microphone Type 4955 consists of a high sensitivity ½" cartridge, which has been optimised for the lowest inherent noise.
Type 4955 TEDS microphone has a noise floor typically less than 5.5 dB (A), hence allowing measurements well below 10 dB(A).
Select filters:
| Code | Higher frequency | Lower dynamic range | Higher dynamic range |
|---|---|---|---|
| -4955--- | 16 Hz | 6.5 dB | 110 dB |
| -4955-A-- | 16 kHz | 6.5 dB | 110 dB |
| -4955-W-001- | 16 kHz | 19 dB | 136 dB |
| ½ inch Low-noise Free-field TEDS Microphone Type 4955 and 4955-A | Data Sheets | English |
| Sound field | Free field |
| Polarization | Classical |
| Sensitivity | 1100 mV/Pa |
| Lower frequency | 10 Hz |
| Higher frequency | 16 kHz, 16 Hz |
| Lower dynamic range | 6.5 dB, 19 dB |
| Higher dynamic range | 110 dB, 136 dB |
| Diameter | 1/2 inch |
| Venting | Front |
| Minimum Temperature | -20 °C |
| Maximum Temperature | 100 °C |
| Minimum Temperature | -4 °F |
| Maximum Temperature | 212 °F |
| Output signal (connectivity) | Passive |
List of accessories available for all variants of this family
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, MicroStrain and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.