hilde45,
I read your other post on your room treatments. Have you tone frequency sweeps on both amplifiers? With some tube amps with low damping factors coupled with the speakers, you may have some significant changes in the frequency response that changes your impression of the sound.
I read your other post on your room treatments. Have you tone frequency sweeps on both amplifiers? With some tube amps with low damping factors coupled with the speakers, you may have some significant changes in the frequency response that changes your impression of the sound.