
Several types of caps are used in this chassis. The pink wax-paper ones were failing yet none of the gold ones tested bad, I replaced all the paper caps on the amp PCB. The electrolytics tested ok as well

That would be an option if I had those transformers, left channel works fine, so I can't really justify putting even bigger units in with limited room. Anything else I do I probably can't add to the bill for this customer, If I can get decent sound from the other channel. Their main concern was crumbling tube sockets after the one 6HU8 melted down.
I was luckier. I found a Sansui 1000A receiver at curbside with brand-new 7591 RCA output tubes (and other tubes new too). But.... One channel's 7591s had melted. The Sansui used oil caps that did not, it is said, last long. Somebody had amp problems, replaced tubes, and the new ones melted too. So they put it at curbside. I replaced all the caps and scrounged some used 7591s. The OPT and power trans. survived.Motorola minion wrote: ↑Thu Oct 19, 2023 1:25 pm I am posting this mainly as a cautionary tale. I have a super clean Telefunken Hymnus 5216 sitting next to my Pontiac in a remote garage. Once powered up it let out some magic smoke, I was told. Two of four 6GW8s tested as if burned down like candles. After 6 years, there is no desire to dig into it, especially after this experience!![]()
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