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Tube Newbie question

I'm trying to learn more about tube pre-amps. I'm overwhelmed with the codes and test numbers for vintage tubes. Can anyone give me a simple explanation of what to look for in a tube? Does anyone know any good learning resources for this technology?

I've read in forums about people saying, for example, the 'Amperex USA made 6922', made their pre-amp sing. These are old tubes. Don't they wear out?

Thanks so much!!
nathanbyrne
swampwalker's avatar
swampwalker
5,138 posts
 
There are very detailed explanations of the sonic characteristics of various tubes (and they are grouped by tube equivalent) in Joe's Tube Lore at Audio Asylum.
amfibius
282 posts
 
One of the best introductions I have ever seen to the world of valve amplification can be found here - "A Taste of Tubes":

http://www.anthemav.com/OldSitev1/pdf/taste.pdf
larryken
537 posts
 
find a dealer or supplier with whom you can build a relationship with. this person can serve as a mentor until you develop your own experience and knowledge base...it's what many of us have done, myself included. other posters comments are also valid but find a tube source (I don't mean Ebay) and work from there.
welcome to the world of tubes....
Larry
nathanbyrne OP
3 posts
 
Thanks so much for your articulate responses. You've given me a great place to start.

Nathan
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