Hi h317,
No, I didn't realize it was one of the players with vacuum tubes. Did that model have a little window at the front where you could see the glowing orange filaments in the tubes? I doubt that Tom would have designed those but Luxman may have said, "Design us a hybrid CD player with tubes. ."
All bets are off with vacuum tubes. They tend to add a nice wash of musically agreeable (to some ears) harmonic distortion, and they are not linear. The tubes' characteristics and their performance change as they age so you may very well hear differences between the Luxman and your DVD player.
Regards,
