Why Krell Clone KSA-50 eBay has extra transistors?

I don't get it. This PCB from eBay has two more MJE15032/33's than any other KSA-50 schematic I have ever seen. Of course the seller does not include the exact circuit diagram... wacko. If I wasn't totally dyslexic perhaps I could figure it out by tracing the PCB? Perhaps you folks already know the KSA-50 variation the eBay seller has cloned, so I ask here for more advice.


The boards seem OK. I was going to start stuffing them this weekend.
 

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