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贵阳会议话筒

BK-390会议话筒
电源供电/The power supply:.......................Transmitter DC9V receiver AC220V 50Hz 
话筒耗电量/Microphone power:...........................................25mA
载波频率/Carrier Frequency:........................................VHF200~270MHz
频率稳定度/Frequency Stability:.....................................................................+0.002%
信噪比/Slgnll noise Ratio:....................................................>98dB
邻道干扰比/Resembles Inferference:...........................................>80dB
动态范围/Dynamic Range:......................................................>90dB
谐波失真/Harmonic distortion:................................................<0.5%
类型/Type: .................................................................电容式/Condenser
极性模式/Polar Pattern: ........................................单一指向性/Unidrectional
频率响应/Frequency Response:...........................................................60Hz~16000Hz
话筒灵敏度/Microphone Sensitivity:..................................................-47±3dB@1KHz
接收灵敏度/Receiver Sensitivity:...................................................50uS(SINAD=20dB)
音频输出/audio frequency output:........... Independence is 0-±400mv Mix 0-±300mv
温度范围/Temperature Range:........................................................-10℃~55℃


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