【英文标准名称】:Soundsystemequipment-Part5:Loudspeakers
【原文标准名称】:声学系统设备.第5部分:扬声器
【标准号】:IEC60268-5Edition3.1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-09-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;电声器件;激励器;放大器;波幅;音频放大器;挡板;分类;连接件;描述;畸变系数;电气功率;电气工程;电气阻抗;电气测量;电声学;电子仪器;娱乐电子学;自由场;消声室;频率;频率曲线;阻抗;输入功率;输入电压;装置;干扰场;干扰噪音;扬声器;作标记;测量;测量扩音器;测量精度;测量仪器;测量技术;安装;噪音场;非线性;性能;物理性能;功率输出;精密度;额定值;调节器;电阻器;信号失真;信号;声强;声级;声压;声压级;规范(验收);标准障板;试验信号;测试;电压
【英文主题词】:Acoustics;Acoustoelectricdevices;Actuator;Amplifiers;Amplitude;Audioamplifiers;Baffles;Classification;Connections;Descriptions;Distortionfactors;Electricpower(wattage);Electricalengineering;Electricalimpedance;Electricalmeasurement;Electroacoustics;Electronicinstruments;Entertainmentelectronics;Freefields;Free-fieldrooms;Frequencies;Frequencycurve;Impedance;Inputpower;Inputvoltage;Installations;Interferencefields;Interferingnoise;Loudspeakers;Marking;Measurement;Measurementmicrophones;Measuringaccuracy;Measuringinstruments;Measuringtechniques;Mounting;Noisefields;Non-linearity;Performance;Physicalproperties;Poweroutput;Precision;Properties;Ratings;Regulator;Resistors;Signaldistortion;Signals;Soundintensity;Soundlevels;Soundpressure;Soundpressurelevel;Specification(approval);Standardbaffles;Testsignals;Testing;Voltage
【摘要】:Thisstandardappliestosoundsystemloudspeakers,treatedentirelyaspassiveelements.Loudspeakerswithbuilt-inamplifiersareexcluded.NOTE1Theterm“loudspeaker”usedinthisstandardrelatestoloudspeakerdriveunitsthemselvesandalsotoloudspeakersystems,whichcompriseoneormoreloudspeakerdriveunitsprovidedwithabaffle,enclosureorhornandsuchrelevantdevicesasbuilt-incrossoverfilters,transformersandanyotherpassiveelement.Thepurposeofthisstandardistogivethecharacteristicstobespecifiedandtherelevantmethodsofmeasurementforloudspeakersusingsinusoidalorspecifiednoiseorimpulsivesignals.NOTE2Themethodsofmeasurementgiveninthisstandardhavebeenchosenfortheirappropriatenesstothecharacteristics.NOTE3Ifequivalentresultscanbeobtainedusingothermethodsofmeasurement,detailsofthemethodsusedshouldbepresentedwiththeresults.NOTE4Thefollowingitemsareunderconsideration:–loudspeakerswithbuilt-inamplifiers;–measurementsunderconditionsotherthanfree-field,half-spacefree-fieldanddiffusefield;–measurementswithsignalsotherthansinusoidalornoiseorimpulsivesignals.
【中国标准分类号】:M72
【国际标准分类号】:33_160_50
【页数】:54P.;A4
【正文语种】: