...） 标称阻抗(Impedance) ：8Ω 额定功率(Valid Power)：1200W 灵敏度(Sensitivity) ：200mv 线路输入阻抗(LINE Input Impedance)：47K 信噪比(S/N)：>99dB 功能特点： 专业SPEAKON输出插座，平衡的XLR输入插座，连接简便可靠。
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印刷电路板上加绝缘环，消除了线路板绝缘电阻对放大电路输入阻抗的影响。
And insulating ring technology is adopted to further improve input impedance influenced by insulating resistance of printed circuit board.
天线匹配指定频率范围内，调整阻抗使得天线的输入阻抗等于或大致等于其发射线路特性阻抗的过程。
The process of adjusting impedance so that the input impedance of an antenna equals or approximates the characteristic impedance of its transmission line over a specified range of frequencies.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线，并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
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