Conrad-Johnson's top-of-the-line preamp the Premier Three ($2895), is equipped with tubes that C-J claims have been chosen for the best possible sonic qualities. The manufacturer specifically advises against trying other brands (a popular pastime among tube enthusiasts) lest they degrade the sound.
The control lineup on the Premier Three is identical to that on most high-end preamplifiers except for the tape monitor provisions, which are more flexible than most. There are two tape loops and a front…