4966-L-001 配备经典传声器前置放大器和7针LEMO接头的½英寸预极化自由场传声器
设计用于高声压级（SPL）测量，或者需要检查传声器测量通道完整性的情况。
使用场景
适用于测量高声压级——例如在喷气发动机附近
因为它具有高达144dB的宽动态范围
技术参数| 型号 | 4966-L-001 |
| Capacitance | 14 pF |
Diameter | ½" |
Dyn. range | 15.2 – 144 dB |
Freq. range | 6.3 – 20000 Hz |
Inherent noise | 16.5 dB A |
Lower limiting frequency -3dB | 3 Hz |
Optimised | Free field |
Polarization | Prepolarized |
Polarization voltages | 0 V |
| Sensitivity | 48.4 mV/Pa |
Pressure coefficient | -0.01 dB/kPa |
| Temperature range | -20 – 60 ℃ |
| Temperature coefficient | 0.003 dB/ºC |
Venting | Rear |
| Weight | gram |
| Sound field | Free-field |
Input type | Classic |
| Microphone type | Free field |
