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ID:40544123
大小:281.08 KB
页数:26页
时间:2019-08-04
《CMXM 系列会议话筒-隐蔽式及多拾音头界面话筒 (有线和无线)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、TechnicalSpecifications技术指标MX395B/CLowProfileBoundaryMicrophone(小型界面话筒)performanceparameters性能参数Type:Condenser(electretbias)FrequencyResponse:50to17,000HzPolarPattern:CardioidOutputImpedance:180ohmsactual(EIAratedat150ohms)Sensitivity(At1,000Hz,opencircuitvoltage*):-35.0dBV/Pa
2、(18mV)1Pascal=94dBSPLMaximumSPL(1kHzat1%THD,1kohmload):121dB,Allvalues+6dBat0gainEquivalentOutputNoise(A-weighted):28.0dBSPLSignaltoNoiseRatio(referencedat94dBSPL):66.0dB类型:电容(电介质偏压)频率响应:50至17,000Hz拾音模式:心型输出阻抗:有效阻抗为180欧姆(EIA额定为150欧姆)灵敏度(1,000Hz,开路电压*):-35.0dBV/Pa(18mV)1Pa=94dB
3、声压级最大声压级(1kHz,1%总谐波失真,1千欧负载):121dB0增益时,所有值均为+6dB等效输出噪声(A权重):28.0dB声压级信噪比(参考94dB声压级):66.0dBDynamicRangeat1kohmload:93dBCommonModeRejection:45.0dBminimumPreamplifierOutputClippingLevel(1%THD):-8.0dBV(0.4V).-12dBVat0gainPolarity:Positivesoundpressureondiaphragmproducespositivevol
4、tageonpin2relativetopin3ofoutputconnector.PowerRequirements:11to52Vdcphantom,2.0mAEnvironmentalRequirements:OperatingTemperatureRange:-18to57degreesC(0to135degreesF)RelativeHumidity:0to95%1千欧负载时的动态范围:93dB共模抑制:最小为45.0dB前置放大器输出限幅电平(1%总谐波失真):-8.0dBV(0.4V)极性:振膜上的正声压会在输出接头的针脚2上产生正电
5、压(相对于针脚3)。电源要求:11至52Vdc,幻象,2.0mA环境要求:使用温度范围:-18至57摄氏度(0至135华氏度)相对湿度:0至95%TechnicalSpecifications技术指标MX395B/C-LEDLowProfileBoundaryMicrophone(小型界面话筒)performanceparameters性能参数Type:Condenser(electretbias)FrequencyResponse:50to17,000HzPolarPattern:CardioidOutputImpedance:170ohmsac
6、tual(EIAratedat150ohms)OutputConfiguration:ActivebalancedSensitivity(At1,000Hz,opencircuitvoltage*):-35.0dBV/Pa(18mV)1Pascal=94dBSPLMaximumSPL(1kHzat1%THD,1kohmload):121dB,Allvalues+6dBat0gainEquivalentOutputNoise(A-weighted):28.0dBSPLSignaltoNoiseRatio(referencedat94dBSPL):66
7、.0dBDynamicRangeat1kohmload:93dBCommonModeRejection:45.0dBminimum类型:电容(电介质偏压)频率响应:50至17,000Hz拾音模式:心型输出阻抗:有效阻抗为170欧姆(EIA额定为150欧姆)输出特性:有源平衡灵敏度(1,000Hz,开路电压*):-35.0dBV/Pa(18mV)1Pa=94dB声压级最大声压级(1kHz,1%总谐波失真,1千欧负载):121dB0增益时,所有值均为+6dB等效输出噪声(A权重):28.0dB声压级信噪比(参考94dB声压级):66.0dB1千欧负载时
8、的动态范围:93dB共模抑制:最小为45.0dBPreamplifierOutputClippingLevel(1%THD
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