每通道的输入口可以根据输入话筒的不同灵敏度来选择不同的输入电平，单独来调节通道的增益来实现视频会议系统。本机具有48V幻像电源供电系统，有开关控制选择，以适应幻像和非幻像话筒输入的需要。配备RS-232接口，可连接中控及外部控制器，方便控制每通道的摄像预置位，还具有强大的扩展能力。本机具有平衡式输入插口。任何种话筒都可以实现视像跟踪功能控制协议：PELCOD波特率9600主要参数：供电方式：交流220V/50Hz输入阻抗：8KΩ输出阻抗：300Ω输入灵敏度：-38dB～-50dB***大输入电平MIC12dBV标准输出电平：LINE0dBV***大增益：70dB频率响应：20Hz-20KHz固有噪声：-85dBV幻像供电：＋48V控制输出电压：＋3.8V消耗功率：12W尺寸：长430mm，宽205mm，高45m）重量：4KGTheSV-MA10intellectualmeetingaudiomixerisapplicableforallsortsofmeetingrooms,multifunctionalhallsandreportingconferences.ThereisanadvancedCPUprocessorandaRS-232interface,whichcanbeconnectedtothecomputerorcentralcontroller.Expandingserialconnectionissupported,andthecamerascanbecontrolledthroughcooperationwiththecentralcontrollertoformavideomeetingsystem.Theinputelectricallevelofinputportofeachchannelcanbechoseaccordingtothedifferentsensitiveofthemicrophones,andthegainofeachchannelcanbeadjustedtoactualizethevideomeetingsytem.Theunithasa48Vphantompowersystemwithswitchestochoosephantommicrophoneinputornon-phantommicrophoneinput.ThereisaRS-232interfacetoconnecttothecentralcontrollerandexternalcontrollerstoeasilycontrolthecamerapresetpositi***ofeachchannel,andtheinterfacealsohasapowerfulexpandingability.Theunithasabalancedinputsocket.ThevideotrackingcanbeactualizedforanytypesofmicrophonesFunctioncontrolprotocol:PELCO-DBaudrate:9600Mainparameters:Powersupply:AC220V/50HzInputimpedance:8KΩOutputimpedance:300ΩInputsensitivity:-38dB～-50dBMaximuminputlevel:MIC12dBVStandardoutputlevel:LINE0dBVMaximumgain:70dBFrequencyresp***e:20Hz-20KHzInherentnoise:-85dBVPhantompowersupply:＋48VOutputcontrolvoltage:＋3.8VPowerc***umption:12WDimensi***:430mm×205mm×45mmWeight:4KG)