Hello. Recently I bought elac's for 140$ and now I am searching for a matching amplifier. I would prefer used or vintage one. My budget is about 250$. I was looking at Marantz PM5005 or PM6003, Technics SU-Z2, Rotel RA 970BX or RA 413, ITT 8033, Yamaha R-S500, NAD c350 or c326bee, Cambridge...