Transistors for S500 Output Stage?

@ gary s and indianajo:
Incredibly helpful instruction and tips from both of you!
Thanks a lot!
I arrived here by searching the output device label from a 400A and this info is EXACTLY what I need. Invaluable!
I bought it in shambles, disassembled, and some output devices having different part #'s but all look original Motorola with Stasis designation.
1 channel has a short, so I'll be replacing all these outputs, but at least I understand it now!
Hats off to you both!
 
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