Why do tubed preamps image better than SS?


I realize this may not be true in every case, but can anyone explain why tubes offer more tangible imaging? Are there any SS pre's that can compete with a good tubed unit in this regard?
sjh32
I compared the McIntosh C2200 tube-preamp, which by all accounts is a very fine preamp, to McIntosh's C42 and C200 preamp. The C200 was in all regards better than the tube-C2200, including dynamics, imaging and bass control. I do not think it makes sense any longer to say that this or that kind of amp by definition is or does sth better. It depends on the design, and in fact there probably never were so many excellent SS preamps and amps you could take for tube-preamps - and never so many tube amps that offer dynamic sound, as well
Eldartford-

Staying OT, the thread is about preamps not amplifiers...

But since you brought it up, the fact that certain transformer coupled amplifiers oscillate with high feedback is of no particular concern to me- but I'm guessing that you knew that :)
Atmasphere...
I will stay on thread.
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Anything is possible as long as it comes with price tag. For the $$, majority of tube gear will have better bang for the buck performance over SS
Tubes do not image "better" than SS only differently. Tubes often expand the soundstage because of microphonics but lack focus and coherency for the same reason. They, like ill-placed subwoofers are sometimes nothing more than subtle "reverb" units. SS on the other hand seems to convey the inadequacies of recorded sound all too vigorously, but often with seductive immediacy. Looks like a match made in Heaven, don't you think?