½英寸预极化压力场传声器，5 HZ – 20 KHZ
用于精密耦合腔测量、随机入射和自由场测量的压力场传声器，入射角为 90°，频率范围为 5 Hz 至 20 kHz。
4971 型
4971 型是一款高温、CCLD 压力场传声器套组，针对 125°C 的测量进行了优化。该传声器非常适合耦合腔测量、随机入射测量和自由场测量（入射角为90°）。
预极化，因此可以与CCLD输入以及经典输入一起使用。它具有宽频率和动态范围，并且对变化的环境条件极其不易受影响。
| Prepolarized Pressure-field ½-inch Microphone Cartridge Type 4971 | Data Sheets | English |
| Standard | IEC 61094 |
| Sound field | Pressure field |
| Polarization voltage | 0V |
| Sensitivity | 12.5 mV/Pa |
| Lower limiting frequency | 5 Hz |
| Higher limiting frequency | 20 kHz |
| Inherent noise | 18.6 dB(A) |
| Upper limiting of dynamic range | 162 dB |
| Diameter | 1/2 inch |
| Venting | Rear |
| Minimum Temperature | -30 °C |
| Maximum Temperature | 150 °C |
| Minimum Temperature | -22 °F |
| Maximum Temperature | 302 °F |
Microphone Type 4971-H-041
Preamplifier Type 1706
Suitable for:
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.
