標準號：IEC 60268-5 Edition 3.1-2007
中文標準名稱：聲學系統設備.第5部分:揚聲器
英文標準名稱：Sound system equipment - Part 5: Loudspeakers
標準類型：M72
發布日期：2007/9/1 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：M72
國際標準分類號：33.160.50
引用標準：IEC 60050-151-2001;IEC 60263-1982;IEC 60268-1-1985;IEC 60268-2-1987;IEC 60268-3-2000;IEC 60268-11-1987;IEC 60268-12-1987;IEC 60268-14-1980;IEC 60651-1979;IEC 61260-1995;ISO 3741-1999;ISO 3744-1994;ISO 3745-2003
適用范圍：This standard applies to sound system loudspeakers, treated entirely as passive elements.Loudspeakers with built-in amplifiers are excluded.NOTE 1 The term “loudspeaker” used in this standard relates to loudspeaker drive units themselves and also toloudspeaker systems, which comprise one or more loudspeaker drive units provided with a baffle, enclosure orhorn and such relevant devices as built-in crossover filters, transformers and any other passive element.The purpose of this standard is to give the characteristics to be specified and the relevantmethods of measurement for loudspeakers using sinusoidal or specified noise or impulsivesignals.NOTE 2 The methods of measurement given in this standard have been chosen for their appropriateness to thecharacteristics.NOTE 3 If equivalent results can be obtained using other methods of measurement, details of the methods usedshould be presented with the results.NOTE 4 The following items are under consideration:– loudspeakers with built-in amplifiers;– measurements under conditions other than free-field, half-space free-field and diffuse field;– measurements with signals other than sinusoidal or noise or impulsive signals.