out brader from tube preamp... my B&K amps have L/R balanced inputs in addition to RCA input.. any advice on this option
it's possible siyempre, but (1) more circuits means it would take up more space, (2) balanced output can be accomplished with tubes or solid state devices but it's still an additional stage that your signal will have to go through not to mention the balanced receiver at the amp's input side.
if you will be using more than 10 feet of interconnects then by all means go balanced connection, but if you'll only be using a meter of interconnect then I would suggest you still go unbalanced connection. just me though, if you insist you like to go balanced then by all means brader pwede.