From Reference Recordings founder John Tamblyn (“Tam”) Henderson on the passing of the Great HP, founder of The Absolute Sound magazine: Harry Pearson, Jr. Harry Pearson, Jr. (January 5, 1937 – November 4, 2014) It’s impossible to overestimate the importance of HP in the world of high end audio in the 1970s and ’80s. In fact, he invented the term, and some would say the industry known as the “high end.” Those of us who…