It's possible it's just pure nostalgia on my part I guess, but my experience is that 1950's to 70's music sounds better on a tube amp. I'm speculating that th

It's possible it's just pure nostalgia on my part I guess, but my experience is that 1950's to 70's music sounds better on a tube amp. I'm speculating that the music was mixed for tubes -- and they wanted the warm sound of the tube to come through. So the sound was mastered for the imprecise tube amps of the time.