E verytime I play my 20th Shiva with EL34s, the tones in my head, come through the cabinet. The feel, harmonic content is all there, none of the fuzz of hair I hear with some amps, just smooth, thick, chesy, can be aggressive, sweet, just a pleasure to play. Bogner is my amp company I am finiding. Different strokes. Who knows, maybe there are other amps I would like better but I don't have the time to go around trying most of the boutique amps I would like to try and many can't be found locally. I took a chance ordering my Bogner and love it.