Members waveman Posted January 29, 2007 Members Share Posted January 29, 2007 Ok, here is what happened, I bought some Sylvania 6L6 GC power tubes for my peavey ultra 60. It started making a popping sound and then blew a fuse. So I put a new fuse in the amp and start playing with it again...starts popping again. So I put the old power tubes back in after shutting the amp down and turning it back on a couple of time to see if it kept popping. The popping went away, so did I get bad power tubes or could there have been a biasing issue? The ad on ebay said the tubes were matched and tested better than new. Link to comment Share on other sites More sharing options...
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