How about telling us why you want to change preamps. What do you want more or less of than what you currently hear ?
Better highs, mids, more detail, warmth, bass, prat, yada ...yada .. yada..
A target price range might help too.
Better highs, mids, more detail, warmth, bass, prat, yada ...yada .. yada..
A target price range might help too.