Understanding Filter

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As per attach picture I build Simple two way crossover.

OPTION I

Q1 : If I increase the value of resister in filter i.e. 2.2K with 22K & 1K with 10K
Q2 : Is Buffer required for such filter ?
Q3 : In this filter distortion increases on full volume

OPTION II

Q1 : Is 2nd option would be better ?
Q2 : Is Buffer required for such filter ?
Q3 : After filtration output voltage dropped ? Gain required ?

Which Option would go better dips in the frequency response ?
 

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