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引用第5楼秋飘风叶于2008-03-11 11:03发表的 :
6 U& X$ r$ `& ^* I$ Y6 V9 H5 m当然失真了啦,做异常嘛
& I9 u' T7 W6 I: C* \* T5 h! r但是就是不理解为什么这样也算异常状况呢?客户说明书里又没提到不可以长时间最大音量工作!
+ Y* v$ a' g8 i+ y; f0 C* [0 ^ m根据标准最大音量是异常测试:' t# D# ~; D6 F! a( G$ c
4.3 Fault conditions
2 S' z% L: `" B' F4.3.5 For apparatus containing an AUDIO AMPLIFIER, using the standard signal described in 4.1.6 so as to deliver the most unfavourable output power from zero up to the maximum attainable output power to the RATED LOAD IMPEDANCE or, if applicable, to the most unfavourable load impedance connected to the output TERMINALS including short-circuit and open circuit. |
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