In issue 173 Aug/2007 (page 114) of The Absolute Sound magazine, Harry Pearson talks about the Sapphire in the writeup on the $100,000 amp from Western Electric
Up until now the only triode amplifier that I thought as uncolored as some of the best tubed designs was the Sapphire 300B, a minimally powered unit with exceptional sound at the frequency extremes, and an across the board neutrality and lack of tonal coloration that left me wishing for more.
