Xover to filter woofer SB 23NRSX45-8

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This is the filter?
 

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This is the filter?

I didn't pretend to make a full sim, nor indicate a specific wiring, just testing a cross over idea, letting you play with it your own way...

Anyway you can test this wiring, or also wire it as a standard 3 way:

Low pass the SBA

Low pass + High pass the SS

High pass the Seas.

Regarding polarities, check by yourself what measures best, there is nothing sacred in any schematic because we are not on a full sim and do not have the full data we need to do that.
 
No no no, there is no database no datasheet nothing but selfmade fr and impedance measurements of your own stuff...

As you are still learning to measure i asked you a very minimum set of these data assuming the risk and trying to make guesses for the unknown data.

The problem seems that you have not caught the idea of what the design process is about, and i dont see how i can help you to progress further...
 
The room curve doesn't look bad at all...

Maybe worth try lowering the xover point to fill better the 100-200hz area...

Maybe worth closing the BR too...

Better testing and make decisions now based on listening impressions...
 

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