Bad pop/cracking sound when powering on

This is a nice amp of it's time. I would love to hear it when finished.
The output transistors in parallel can give enormous current output. What they dislike is any kind of short. I once had an amp compareable to time and construction and it's sound blew away the hyped MosFET.
With the small cap's, only one may have gone bad. I had some in the signal path that even had higher capacity than rated and made strange noises, like a loose connector.
The big caps may last forever. I have some large ones from 1982 that are as new.
 
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