@wrm57 based on your criteria
NHT SuperZero 2.1
Fyne F300
Ascend HTM-200SE
Polk Audio T15
Sonus Faber Lumina
Paradigm Premier 100B
Q Acoustics 5020
Diapason Micra III Excel
Diapason KARIS III
Diapason Karis WAVE
Acoustic Energy AE100
Usher s-520
PSB Imagine XB
Mission LX-2 MKII
GolderEar BRX
Triangle Bro2
These all under 12", over 87db sensitivity. I did not check the port, I am adding it to now to my database. It's sorted by height. I can send you all the data, 24 columns.