Yes, quite often B&Ws are not a good match with tubes, in particular the models with dual woofer arrays.
But if you still have a hankering to show off the capabilities of a tube amplifier, try a set of Audiokinesis loudspeakers. They are reasonably priced, wide bandwidth and very revealing, as well as easy to drive.
But if you still have a hankering to show off the capabilities of a tube amplifier, try a set of Audiokinesis loudspeakers. They are reasonably priced, wide bandwidth and very revealing, as well as easy to drive.