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Tube suggestions for hybrid integrated amp

I've had the stock tubes (12AU7) in my Rogue Sphinx for a few years now and I'm ready to upgrade.  Right now I'm leaning toward  Tungsram ECC82 but I am open to suggestions.  I'd prefer to buy within the US as I'd prefer delivery in the next ten days or so.
Speakers are old Dynaudio Contour 1.3 MkII.  The room is lively but not overly bright or ringy.  I listen to a lot of classical chamber music, combo jazz and (mostly classic) rock. 
Any suggestions appreciated.
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jackd
1,068 posts
 
Call Andy at Vintage Tube Service.
roberjerman
4,319 posts
 
By some US - made 12AU7's. GE, RCA, Sylvania - all fine tubes and quite affordable!
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drrsutliff
858 posts
 
I agree with jackd... Andy has repeatedly given me excellent advice and amazing tubes. Not inexpensive but actually great value.
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tostadosunidos OP
1,197 posts
 
I'll give Andy a call.  Hopefully he'll have some idea of how different tubes might affect the sound of my setup.   Thanks to all who have responded.
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hifiman5
1,832 posts
 
I have been using Gold Lion 12AU7's sourced from Ron Sheldon at Cryoset.  Very linear sound and they last a vey long time!  I buy all of my tubes there if Ron carries what I need.  My Gold Lion GZ34 rectifier tube from Cryoset is a huge improvement over the stock Sovtek tube my gear came with.

I've read many accolades for Andy at Vintage Tube Services as well.
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