Thanks Earl! Maybe you can tell that I'm trying to build on existing knowledge without going quite that far
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In the 9844-8B thread the Zobel was discussed but not implemented. Ignoring the 2.5 way for now, Zilch, quoting you, for parallel 16ohm woofers suggested 18 uF and 7.5 Ohms for starters. I thought this was to help the 414z/N-800F combo behave correctly for the hf rolloff.
Now, considering the 2.5 setup, I am thinking those values will change because of the 20mH coil added. Yes? No? If that is no longer a simple math question, maybe I should try this?
1. Calculate (or sim) Zobel for a single 414z and connect this as the "main" woofer, through Zobel, to the N-800F outputs
2. Connect the "helper" woofer with 20mH in-series coil, directly to the same terminals as the N-800F input
Thoughts?
Thanks!