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Message: <blockquote data-quote="adam71" data-source="post: 1838876" data-attributes="member: 549079">Lets start with the basics.Active crossover - preamp......in other words the high pass and low pass of the frequencies is done BEFORE the amplifier in the signal chain.Passive crossover - AFTER the amp.  Example of a passive is like the crossover that came with your Type R components.So when you hear someone talking about going active it means they are NOT using the passive crossovers that come with component sets.  They're using an active X-over or a processor that has one and sending a preamp siganl to the amp that has already been filtered (high pass or low pass) to the amp that is powering a particular speaker.  An example of that would be only sending high frequencies to an amp that will be powering the tweeters.Hope that helped a little.</blockquote>

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