I can see tubes for certain production uses with guitars, but not reproduction. Preference isn't necessarily reference....I find it more pleasant when I play my guitar on a tube amp. I like the way it sounds. Basically everything I listen to is guitar dominant. If it wasn't recorded on tubes and I'm to lazy to learn it myself why is listening to it on a tube amp wrong. I like it. Sounds old fashioned without a ton of high order harmonics.