What is the output impedance of your current tube preamp? This can have an effect on bass performance. I have a tube preamp with single ended outputs with a krell ksa 300s amp, and have great bass performance.
Tube vs Solid state for Preamp
Like opinions on this match up
Running audible illusions L3 preamp. into (jumpers removerd) Krell 350 mcx in a Biamped arrangement.
Would going solid state be an upgrade in Lowend control of the krell