Deaf Bonce AAB-15900.1D parts identify

[inetkey]

hello everyone
I have an Apocalypse / Deaf bonce AAB-15900.1 basically same sundown audio amplifier
with burned rectifiers
Marking S7 & S8
could you help me to identify these parts?

Thanks!!

 

[inetkey]

Just figured it out.

I can use MUR3020PT & MUR3020PTA / FMG32R & FMG32S or higher voltages