I checked my hypothesis with ASR's Olive scores. The straight lines of all the Axiom and Bryston models (except the Mini A) imply an Olive score of 6.5+. Every score between 5.0 and 6.5 have small but noticeable deviations from straightness. Anything below 5.0 and you can see major flaws.

And we seem to have broken Bryston's site. smile

Author of "Status 101: How To Keep Up In A World That Keeps Score While Buying Into Buying Less"