I don't know the BAT but I had an LS2BMKII and can ASSURE you there are preamps out there these days which will give you a LOT more definition, air, and... music.
Happy hunting.
I ended up with the LS5MKIII which I've since had modified by GNS.
Bob Wood
Happy hunting.
I ended up with the LS5MKIII which I've since had modified by GNS.
Bob Wood