August , 2008

2008 EDITOR'S CHOICE AWARDS Harry Pearson in HP's WORKSHOP Issue 185, page 144 ,October/2008 for the Sapphire 300B monoblocks

" The best single-ended amplifier in my experience. More punch than it's puny 18-watt rating would suggest, with less of the harmonic coloration that some including me, find so colored, in the sound in other SET designs. Used with a relatively sensitive speaker, which I would urge you to do if possible, it is a revelation, and at both frequency extremes, and as they say, utterly natural in between. "