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Question from tube y newbie

How important is it to have a matched pair or matched quad of tubes? I have a single tube that needs replacing (Svetlana 6550C) and I was wondering if I will be alright just replacing the 1 tube. Or should I replace with a matched pair or matched quad?
tfkaudio

Showing 1 response by tfkaudio

tfkaudio OP
591 posts
 
So would it be safe to say that, as long as I can bring all the tubes into correct bias, a new single output tube should be just as good as a matched pair or quad?
The age difference is still an issue, however.
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