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Multi-Way Conventional loudspeakers with crossovers

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Old 4th April 2005, 10:49 PM   #31
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Right although usually passive crossovers fudge a bit from a textbook LR, either by changing Fc, the Q or the slope of the filters, to get good phase alignment. But with an active analog filter you can easily do a straight time delay with an allpass so that's another arrow in the designer's quiver. And of course, straight digital delays are common with DSP boxes. Some, like Dan Wesnor over on the Mad board, like doing passive allpass stages but it adds to complexity and not many people are doing them.
 

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