Avalon: are new models quite better than older ?

Luke72, in my system, the Eidolon's bass is very agile, articulate and detailed. I'm driving the Eidolons with Atma-Sphere MA-2 amps and I would say their impact and dynamics in the bass is excellent on full scale orchestral music. (E.g., listening to the last side of the Stravinsky Firebird Mercury/Classic 45 rpm reissue, which has stunningly demanding bass transients.) The bass in the Opus I have not found to be as satisfactory, but the Eidolons are very good indeed.
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Thanks Rushton. Any comment from audiogoners who passed from Ascent or Radian to Eidolon ?

Luca: I am not necessarily a fan of the Avalon speakers, especially the older Eidolons. I thought the bass did not integrate very well with the midsand always sounded lean.

I am very familiar with the newer Eidolons and feel there is a large improvement in the bass region.