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In Reply to: RE: electronic crossover question posted by djk on November 04, 2009 at 16:03:26
The state variable filters aren't subtractive. The schematic of the Marchand XM9 crossover can be found in the manual at their site here. There is only one LP filter per channel, containing four op-amp integrators in a multiple-feedback-loop configuration.
As to which sounds better, that's hard to predict.
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