starter amp

Hello all, I am picking a budget-friendly amp and I would like to know your opinions. Here are some candidates at the moment: - NAD C328 (used, 350 €) - Marantz PM6005 (used, 300 €) - Yamaha S-A301 (new, 400 €) - Older amp like Sony TA-F 530 ES (used, about 150-200 €) The system will be used...