extremely happy with my set-up; AMX tube pre, and a 70s era Pioneer power amp. i listen to mainly classic rock and metal from FLAC files and vinyl. the preamp is a custom build, 5 inputs, subwoofer out, tone controls and 2 pairs of outputs. one pair for the power amp and the second pair for my headphone amp.
the tube/ss combination gives me sound signature that has both warmth and power.