I have SS top of the line preamp with triode tube amp, Amazing combination, a lot of punch, you wouldnt want any more without breaking your ears (and that´s 12 watts)Clarity precision...
I never heard a tubed preamp I liked with my tube amps(maybe its just me), too mushy, undefined...
I now have a Resistor passive unit and it kills the SS preamp on clarity, silent backround, bass, and yes dynamics... The main problem with passives is making them work in your set up, but once you get it WOW.
Mrtennis has a point about DC current, It was recommended to me that I should place a coupling cap either at the input of the tube amp or at the output of the SS pre...
I hear Mark Levinson uses input coupling caps on his Amps...anybody know about this?