The Eidolon is a superb speaker but requires IMHO plenty of high quality power to bring out its best. I found ARC Ref 600 worked best.Sounding staging, timbral accuracy and speed are its outstanding attributes. Only beaten by the
(more expensive) Pipedreams, 7' Reference my current speaker. The Utopia (not Grand) is less refined (ie musical)and the bass is not as 'accurate', but otherwise a great speaker.
(more expensive) Pipedreams, 7' Reference my current speaker. The Utopia (not Grand) is less refined (ie musical)and the bass is not as 'accurate', but otherwise a great speaker.