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Why Purchase used tubes?

Is it the price? I don't understand. You buy a wonderful used tubes that tests out better than perfect. What is the guarantee, after you hook those babies up to your rig, that they won't start to degenerate. NOS are surely more expensive, but brand spanking new! Would this be the best way to go if money wasn't a factor? I'm tubie newbie, but getting there...thanks warren :)
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Showing 3 responses by warrenh

warrenh's avatar
warrenh OP
2,299 posts
 
I'm looking for a very high quality pair of 6922s for my SET pre. Doing my homework, it seems that the Amperex Pinched Waist D Getter PQ is the Holly Grail. Man, are the nos expensive. $560 was a price I was given for a pair. I really don't know if that is fair. I would love to go NOS. What tube comes in a very close second?
warrenh's avatar
warrenh OP
2,299 posts
 
My tube mentor happens to agree with Tvad on the Siemens Cca. Tvad, what type of tubes did you use in your Exemplar Denon 3910?
warrenh's avatar
warrenh OP
2,299 posts
 
After reading Joe's Tube Lore on AA, the Amperex 6922 PQ, US (shield, gold pins) sound excellent. The Holy Grail Amperex (same with the pinched waist) are out of my league. Joe says the sonic qualities are very close, however. Also, another interesting thing is going for the 5751 as a substitute for the 12AX7 Telefunkens and Seimens. Anybody with listening experience comparing the two? He absolutely, resolutely says the best of the 5751 kills the Seimens.
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