fini Posted February 8, 2008 Share Posted February 8, 2008 I've recently picked up several used American made 6550's (RCA, GE, etc.). My general understanding is that 6550s are pretty rugged, and every one I've tried has sounded great. I've easily biased them in my Pcats (in which biassing is a no-brainer). My question is, what signs should tell me the tubes have pooped out (besides the obvious glowing, sounding bad, and exploding)? Has anyone here "worn out" 6550s? Quote Link to comment Share on other sites More sharing options...
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