tubes for air & spaciousness & silky sound, matched w/ss for quick transient response = one of those rare, but oh so worthwhile, good marriages. tubes give you a movie w/a story to tell, ss the dynamics you get from rapid special effect scenes. (tube preamps - you'll change tubes less frequently & at a far lower cost then large costly power amp tubes.) by the way, i have IIIa's rebuilt to 3.6's but the old crossover.
