HD-689A
接收器
●输出功率:35W
●频率范围:VHF180-270MHz
●信噪比:≥80dB
●电源电压:AC-220V/50Hz;DC12-15V
●内置12V/1.2AH可充电电池
●接收方式:FM
●输出抗阻:600Ω
●失真度:<0.05%(10dBu/v)
●有效距离:50m
●喇叭:全音4Ω6.0”
●尺寸:180×110×285mm
Receiver
●Output power :35W
●Frequency range :VHF180MHz-270MHz
●Signal to noise ratio:≥80dB
●Power supply voltage :AC220V /50Hz; DC12-15V
●Battery :12V/1.2AH rechargeable battery
●Modulation mode :FM
●output impedance:600Ω
●Degree of distortion:<0.05%(10dBμ/v)
●Maximum distance :50 m
●Speaker:tone 4Ω6.0”
●Size:180×110×285mm
发射器
●发射功率:30mW
●使用电压:DC9V
●电源消耗:30mA
●副谐波:<30dB
●频率稳定性:±0.005%具温度补偿石英震荡锁定
Transmitter
●Output power:30mW
●Voltage:DC9V
●Power Consumption :30mA
●Subharmonic:<30dB
●Frequency stability:±0.005% with temperature compensation crystal oscillator locked
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