2way FAST / WAW Active bookshelf with line level crossover

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Im building a small active system for my girlfriend's worK. I have a very limited size and budget to work with.
So far my idea is tc9fd18 crossed at 100~200hz to grs 5pf-8 GRS 5PF-8 5-1/4" Paper Cone Foam Surround Woofer

A stereo chipamp within the speaker will power the units and im opting for line level crossover to save cost.

What do you guys think?

And how about adding a dayton tweeter for 3way? Do you think its worth the effort?

Or how about dayton tweeter + tc9fd 2 way instead? Cross the tweet way high like a supertweet
 
PLLXO is a good idea as well. But I recommend 1st order PLLXO only, then add additional orders with speaker level components. For example to tweeter use 1st order PLLXO and a protection cap, which totals as a 2nd order crossover.

I've used this on a previous project, and it worked very well.
 
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