As a complement to the Sarastro II review published in Stereophile, we invite you the read Verity's manufacturer's comments that were published in the same magazine. As they are not available on the web, please read them here:
"Manufacturer’s Comment : Verity Audio Sarastro II
Stereophile...
From an engineering point of view, designing a loudspeaker system that measures flat is something not so difficult to achieve, even when it comes to power response. My colleague and I did indeed, in the past, followed in this thinking model which obviously appeared to be rational and reasonable...