first you have to know what you are looking for .all those preamps suggested above sound different .you have two important things already:speakers and a very good power amp. one question should be-which preamp sounds the best with bryston and paradigm? you should to go to stores or houses and get an idea about the sound signature of some preamps and guess if it will suit your system and acoustic conditions.a dac is very important as well
another question is which sound are you after? a used peachtree grand pre should be nice you can use the tube buffer or stay solid state .
another question is which sound are you after? a used peachtree grand pre should be nice you can use the tube buffer or stay solid state .