mm dicapo speakers amps tube or solid

Hi, I have used the good advise here before. This is my Question, I have bryston 4b proamp .4pre amp,rega planet cd player, my store dealer says that the bright sound in the highs is my amp, he wants to sell me a new bryston 4bss,I have had some good advise on tube amps & ss paslabs,batvkss.I have know dealers close and live in canada.The nearest city is 2.5 hrs away,I would like to buy used but most u.s.a sellers only sell in u.s.I have a dealer that sells cary tube amps, has any body heard these products?one person suggested I could use my .4 pre amp with a tube amp, most don't do that? any and all comments welcomed.the dicapos are 92db, very efficient.