The Accuphase may provide more depth, a livelier experience and greater overall textural resolve than the Luxman. The Luxman may sound a little "boring" if musical enjoyment is what you’re about. Both provide high quality amplification.
While both are technically excellent, another important consideration is styling and how it would look with your other components.
While both are technically excellent, another important consideration is styling and how it would look with your other components.