这种变化的“反应”负荷导致功放输出水平的变化与频率变化，音箱阻抗（动态改变的内容作为扬声器驱动更难） 。
This changing "reactive" load causes the amp output level to change with frequency and changes in speaker impedance (a dynamic thing that changes as the speakers are driven harder).
并介绍了一种便捷的测量方法，该方法可在进行扬声器寿命试验的过程中同时测量阻抗和温度。
A convenient method is presented, which can be applied to measure impedance and temperature during the life test of loudspeaker.
有时这种变化的幅度会非常大，例如，你可能会观察到一个扬声器在普通的工作频率范围内其阻抗可能是从1欧姆到50欧姆之间的任何一个数值。
Sometimes a lot - for instance, you might see an impedance result of anywhere from one to as much as 50 ohms from a particular speaker design within it's normal operating frequency range.
该方案64是一种高性能，低阻抗方向柱扬声器特别好控制和一致的方向性对系统的200-20kHz的工作范围。
The Programme 64 is a high performance, low impedance directional column speaker with exceptionally well controlled and consistent directivity over the system's 200-20kHz operating range.
研究结果表明，复合有源消声器的消声效果取决于次级扬声器位置的等效声阻抗以及无源式消声管道本身的阻抗分布特性。
The property of the hybrid active silencer relies on the equivalent impedance at the secondary sound source position and the impedance distribution characteristics of the one-chamber pipe itself.
研究结果表明，复合有源消声器的消声效果取决于次级扬声器位置的等效声阻抗以及无源式消声管道本身的阻抗分布特性。
The property of the hybrid active silencer relies on the equivalent impedance at the secondary sound source position and the impedance distribution characteristics of the one-chamber pipe itself.
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