Lots of excellent advice, above. However, Subaru's suggestion for the Aleph2 & Rhyno's for belles are difficult to beat IMO.
I concur that you'll be looking for another pre -- the amps proposed are in far removed league to the Yama (a fine product, nonetheless).
I concur that you'll be looking for another pre -- the amps proposed are in far removed league to the Yama (a fine product, nonetheless).