海豚话筒EW300 真分集无线麦克风系统

接收机 RECEIVER

频率范围Frequency range...................640—690MHz

可调信道数Adjustable number of channels....100X2=200                      

震荡方式Vibration mode....................锁相环（PLL)频率合成

频率稳定性Frequency Stability.............±10ppm

接收方式The receiving mode................超外差二次变频

分集类型Diversity Type....................双调谐眞分集自动选讯

接收灵敏度Receiver sensitivity............-95dBm

音频频响Audio Frequency Response..........40--18KHz

失真度Distortion..........................≤0.5%

信噪比Signal to Noise Ratio...............≥110dB

音频输出Audio output......................平衡输出和不平衡输出

电源规格Power supply......................110-240V-12V 50-60Hz（开关电源适配器

发射机 TRANSMITTER

频率范围Frequency range...................640—690MHz

可调信道数Adjustable number of channels....100X2=200

震荡方式Vibration mode....................锁相环（PLL)频率合成

频率稳定性Frequency Stability.............±10ppm

调制方式Modulation........................调频（FM）

射频功率RF power..........................10--30mW

音频频响Audio Frequency Response..........40--18KHz

失真度Distortion..........................≤0.5%

电池规格Battery...........................2x1.5V AA Size

电池寿命Battery Life......................8—15小时

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