Unity gain with tube buffer?


Does anyone make a preamp with unity gain and a tube buffer? Seems like First Watt's B1 is like this with SS device - I'm interest in a similar concept but with a tube buffer stage.
pubul57
Pubul57, we're working on one that will be offered through Ultra Violet Audio. Probably not a lot of help to you right now though...
Ralph, assuming enough gain (I don't seem to need any based on my previous experience with passives)is there a reason that an active stage with gain would sound better? It seems to me that less is more if it is enough.