2. amps-preamps
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Dude's 6SN7 replacements with Chinese CV-181/6SN7

After about 3 months of breaking in the Dude, I think it's time to do some 6SN7 tubes rolling. I know this topic has been discussed before but I missed the thread.

Instead of the NOS 6SN7 tubes, I am thinking of trying the Shuguang CV-181Z or the Sophia 6SN7. Both are very similar prices at about $200/pair.

Have anybody tried any of them before with your Dude preamp?

Any opinions or suggestions are welcome.
tthean

Showing 2 responses by tthean

tthean OP
21 posts
 
Paul told me that his preference are the RCA and the Raytheon short glass type. I happened to have some Raytheon VT-231 and they blew the Sylvania 6SN7s away that came with the Dude. He told me that some of his customers tried the Black Treasure and reported with good result.

I am planning to upgrade my Dude and working with Paul to build me an other Dude with some special features. So I am putting my Dude up for sale shortly. I will try the new BT CV-181 after I got the new Dude.
tthean OP
21 posts
 
Jtwrace, mainly lower the output impedance. Paul suggested the balanced version.

Hope you will enjoy your Dude as much as I do!
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