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SST on output tubes - 5 weeks and still OK

FWIW, I've applied SST to the pins of the 6AS7 output tubes on my Atma-Sphere MA-2s. It's now going on 6-weeks of pretty heavy use since application, and no problems yet. Lloyd Walker has been using SST on the output tubes on his Viva Auroras (35w, pure class A) with no apparent problems there.

I plan to pull the tubes on the MA-2 in a couple of weeks and can make an visual inspection of the tube sockets then. If I see anything unusual, I'll post a follow-up.


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