music listening: pc+sound card or DAC>xlr>active speaker; or cd player>active speaker
AV: av player>av amp>5.1 speaker
power amplifier is for generating enough power to push speaker's driver to generate vibration
preamplifier is to enlarge the sound signal for further amplifying
For better result, passive speaker need separate amp to handle high n low frequency separately, that's why bi-amp is used. But with active speakers, this is done by manufacturer, more professional than ordinary people. So at the same price level, active speakers are a better bet. Try out those big names.
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發表於 2011-10-17 21:10
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