I think they were set +/- 5% too high and the sound/detail wasn't being heard over the volume/difference.
Cross over at 80, both subs volume at 33%, AVR @ 0.
I've tried different cross overs but not since changing the subs volume.
Clearly I don't know as much about the technical side of setting up my system as most here. I know more than most in my circle, that's enough.
I enjoy the tweaking and will live with it as is for a while.
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3 M80HP
2 QS8
2 QS4
RX-A1010
ADA 1000-4
PT-AE8000
PS4
Seymour XD
7'x 12'x 21' cave
3 Paradigm subs