I can't contribute the experience of an A3 owner. But FWIW from my own audition of the A3 in a dealer's home (purportedly a room that allowed for smooth bass response): I found the A3 bass to be very deep and not wanting for a subwoofer. But I also found it a bit bloomy at the very bottom and, though I often sort of dislike the term "pace," it did seem to be a bit lackadaisical in the punch/pace department. Not a terribly toe-tapping sound vs what I am used to at home (Thiel) and from some other speakers I auditioned.
But...hey...that's just one single long audition.