The hov 200 is a great preamp, but in 2013 wyetech 's Roger Hebert has put together something here that is very very special ,in his ruby series line, amps, preamp ,phono stage. The superior detail ,liquidness of the music will keep you up for hours rediscovering your music.I'm a proud owner of the ruby 211 set monoblocks with RCA radiotron vt-4c tubes, 36 watts rms , along with the ruby STD preamp, this combination is truly spectacular in sound and build quality , also the design and look of the ruby set monoblocks and preamp absolutely stunning , great design work by Roger ,thanks Roger a designer with vision