His column does not allow for measurements. If someone else reviews the product in a non-column format, you will see the measurements in the reviews.  Mikey pretty much says "take my word for it, and then listen for yourself".  One should be able to derive some correlations from the subjective review about its performance.  His integrity is utterly unimpeachable, IMO. 

When it comes to measurements, Stereophile's Editor John Atkinson, usually does the most comprehensive reviews on the planet.  Wait for a follow up review or read measurements from the mfg's website (if they exist).