Hello Gents,
I replaced the rectifier diodes with these ones. Don't know whether I could hear the difference. I doubt it to be honest but while reaplacing all the caps I thought I'd give it a go.
ON SEMICONDUCTOR RHRP860 Fast / Ultrafast Diode, Soft, 600 V, 8 A, Single, 2.1 V, 35 ns, 100 A...