½英寸次声传声器4964
产品介绍
4964 ½英寸次声传声器 4964型设计用于要求高灵敏度次声传声器的高精度声学测量。经过预极化，4964型可与CCLD和经典的前置放大器一起使用。 使用场景 技术参数| 型号 | 4964 | | Capacitance | 14 pF | Diameter | 0.52 | Dyn. range | 14.6 – 146 dB | Freq. range | .02 – 20000 Hz | Inherent noise | 14.2 dB A | Lower limiting frequency -3dB | 0.02 Hz | Optimised | Free field | Polarization | Prepolarized | Polarization voltages | 0 V | | Sensitivity | 50 mV/Pa | Pressure coefficient | -0.01 dB/kPa | | Temperature range | -30 – 150 ℃ | | Temperature coefficient | -0.006 dB/ºC | Venting | Rear | | Weight | gram | | Sound field | Free-field | | Input type | CCLD IEPE | | Microphone type | Free field |
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Hottinger Brüel & Kjær公司
电话: 021 6113 3674
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