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 3 responses by rgs92

rgs92
974 posts
 
I like Brimar 6ns7 tubes.
rgs92
974 posts
 
I'm trying the Sophia 6NS7 in my preamp/headphone amp and it's very nice, with air but not tipped up and very fine solid, transparent controlled bass.
rgs92
974 posts
 
For 6NS7s, I find the nicest highs/upper mids (fleshed out, not piercing or aggressive, but still with lots of detail and extension) are the RCA VT231 and the Brimar Black base ones, but the bass is soft on both of these with systems that are not rock-solid in the bass to begin with. (the VT231s are especially loose in the bass to my ears, and I have tried 3 of them from different sources).
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