½英寸自由场传声器，预极化，5 HZ – 20 KHZ
自由场传声器专为高精度和高灵敏度测量而设计，频率响应范围为5 Hz至20 kHz。
4966 系列
是一款坚固稳定的自由场传声器，专为高精度声学测量而设计。4966型经过开发和改进，适用于需要完整20 kHz带宽高灵敏度传声器的场合，并针对保护格栅进行了优化。
4966型传声器为预极化设计，因此非常适合用于电池供电设备和高湿度环境。
| Code | Standard | Polarization | 下限频率 | Lower dynamic range | Higher dynamic range | 最高温度 | 最高温度 |
|---|---|---|---|---|---|---|---|
| -4966-A-031- | IEC 61672, IEC 61672 | CCLD, CCLD | 3 Hz | 18 dB | 131 dB | 65 °C | 149 °F |
| -4966-A-041- | ANSI S1.4, ANSI S1.4 | CCLD, CCLD | 12.5 Hz | 16.5 dB | 134 dB | 60 °C | 140 °F |
| -4966-H-041- | ANSI S1.4, ANSI S1.4 | CCLD, CCLD | 6.3 Hz | 16.5 dB | 134 dB | 125 °C | 257 °F |
| -4966-L-001- | ANSI S1.4, ANSI S1.4 | Classical, Classical | 6.3 Hz | 15.2 dB | 144 dB | 60 °C | 140 °F |
| Microphone Type 4966 Family | Data Sheets | English |
| Microphone Type 4966 Family | Data Sheets | Japanese |
| Microphone Handbook - Vol. 1 Theory | Primers | English |
| Standard | ANSI S1.4, IEC 61672 |
| Sound field | Free field |
| Polarization | CCLD, Classical |
| Sensitivity | 48.4 mV/Pa |
| Lower frequency | 6.3 Hz, 3 Hz, 12.5 Hz |
| Higher frequency | 20 kHz |
| Lower dynamic range | 16.5 dB, 18 dB, 15.2 dB |
| Higher dynamic range | 134 dB, 131 dB, 144 dB |
| Diameter | 1/2 inch |
| Venting | Rear |
| Minimum Temperature | -20 °C |
| Maximum Temperature | 125 °C, 65 °C, 60 °C |
| Minimum Temperature | -4 °F |
| Maximum Temperature | 257 °F, 149 °F, 140 °F |
| Output signal (connectivity) | Passive |
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.
