Need of standby switch with solid-state rectifier?

[slidincharlie (Carlo P)]

Hi all.
I have found a solid-state rectifier in my parts box. It is a direct replacement for 5AR4, 5U4 and 5Y3 tubes, named T-SSR01.
I guess I...

[DrGonz78]

So I have found an open diode on this Carvin VT-212, but I am not sure what part to use as a cross reference. The diode says CR-100 and it takes power from...