I have the .7s and l think they are a good match with my VAC PA 100 100 tube amp l typical listen to music around 75 db with peaks in the low eighties
I connect my .7's to the 4 ohms tap
Watch "Magnepan .7's doing their thing with VAC PA 100 100 tube amp & ARC LS15 tube preamp" on YouTube
https://youtu.be/k7iVMihh_44