3.5: Fun, but caricatures the music to some extent. No soundstage - the raw Naim sound. Wipes the flaw ('scuse pun

with a Linn Ikemi regarding bass articulation.
5: More refined. Does soundstaging. A little more laid-back than the 3.5, but has a better perspective on the music and its presentation.
Add a Flatcap(2)/Hi-cap, and the restraint disappears somewhat. The latter lends more authority.
Regards,
Steve.
It's just a pleasure to hear music as it was intended to be heard.