Mo, prayers and best wishes for your father.
Yes, what was asked was whether there were measurements which showed "differences" from the unmodified unit. The linked review totally fails to meet that requirement; as Joe(spoiler)points out, the reviewer checked only the modified unit, yet alleged that he was "amazed" at the results. He stated that he didn't have "the luxury" of testing the unmodified unit, but surely rather than being a "luxury" this would have to be considered a minimum requirement for a credible comparison.
It can also be noted that the reviewer stated that the mod showed an "improvement" over the "spec" of the unmodified unit on bandwidth(140KHz rather than 110KHz), but failed to note that the actual measurements of similar unmodified HK receivers likewise show bandwidth in the 150KHz area(certainly not of audible significance), compared to the 110KHz spec. His use of "improvement" is therefore somewhat misleading.
