Most speakers , especially magnepan , are sensible to amplification and work accordingly but so important amplification must be , the source dac could be too...
All that so impactful it is , compared to acoustics of the room and location , as for all speakers, but especially them, fade into importance ...
I know because i listened already magnepan 1.7i in a bad room ... I can assure you than it is not better than my low cost active small speakers well embedded ...
Acoustics rule the gear workings and even design, first and last not the reverse .....
Magnepan 1.7i, No matter what I did the mid-range sounded muffled and thin.