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Sophia Electric tube quality

I wonder if others have experienced poor quality with the Royal Princess 300b tubes. Purchased a new pair and one shorted out in a couple of months in their amp. Sophia replaced it and the new pair were extremely microphonic -- rang like bells when tapped with just my thumbnail. Sophia's response to my complaint was, "Stop tapping the tubes.
wfowenmd

Showing 1 response by vicweast

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vicweast
150 posts
 
If they won't let us tap an in-operation tube, can we at least "lick" them? 

I do not think it would have occurred to me to actually do either, and now that you bring it up ...I still won't.)
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