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John,

Here's an overlay ( within REW ) of your 288 drivers, #s 1 & 2 .

The correlation in the FR between the two is very very good/uncanny even ( excepting of course the suckout at 8300 hz ) .

Are you sure they aren't FRs of the same driver ( but at a different axial point ) ?
- It wouldn't be the first time that a "cataloging malfunction" muddied the waters .

<> cheers

PS : hope the missus is alright