...strongly considering a pair of Volti Rival SE's..
I have the Volti Rival. At 100db, I plan to start my tube amp journey with flea watt amps. Greg confirmed 2 watt SETs are fine.
Since the PAP is a more neutral choice, you may want to consider the Volti Razz. Very efficient, open, fast, dynamic. A clear window to the warmth of your amplifier. Many positive reviews. I heard them a few times at major audio shows.