The Reference 6SN7 Thread
Sep 24, 2021 at 5:06 AM Post #5,071 of 9,999
My top 6sn7 with warm pleasing sound would be.

Mullard Ecc32
Brimar 6sn7gt black black
RCA vt-231
Raytheon VT-231 flat plates
 
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Sep 24, 2021 at 7:41 AM Post #5,074 of 9,999
https://mullard.org/collections/audio-valve-ecc32-cv181-cv1988-13d2-b65-6sn7gt-twin-triode

Some pretty good info.

I have heard most all 6sn7 equivalents in existence and the ecc32 is right up there. Friends and I narrowed a field of over 1500 tubes down to 52 and it was a costly venture for some of us. We rate tubes on 25 criteria so it is never easy for me to define a tube by a couple factors. Also when you have a large group giving similar responses about specific tubes, it is difficult to call the process subjective. :ksc75smile:
 
Sep 24, 2021 at 11:45 AM Post #5,075 of 9,999
https://mullard.org/collections/audio-valve-ecc32-cv181-cv1988-13d2-b65-6sn7gt-twin-triode

Some pretty good info.

I have heard most all 6sn7 equivalents in existence and the ecc32 is right up there. Friends and I narrowed a field of over 1500 tubes down to 52 and it was a costly venture for some of us. We rate tubes on 25 criteria so it is never easy for me to define a tube by a couple factors. Also when you have a large group giving similar responses about specific tubes, it is difficult to call the process subjective. :ksc75smile:
Morbid curiosity makes me ask… What's the total cost (ballpark) of those 52 tubes?
 
Sep 24, 2021 at 11:58 AM Post #5,076 of 9,999
Morbid curiosity makes me ask… What's the total cost (ballpark) of those 52 tubes?
Overall we are pushing $50k but that group may be $15k or so. One or two tubes are one of a kind and in a sense, priceless. A friends grandfather was an engineer at RCA and the tubes never went into production. Naturally I have heard them but I was extremely nervous about them being in my possession. Many of the top tubes will be given away to those who contributed the most towards our goal, but not those, they stay in the family.
 
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Sep 25, 2021 at 10:52 AM Post #5,077 of 9,999
I found Bill’s stash…

1632581545872.jpeg
 
Sep 25, 2021 at 10:55 AM Post #5,078 of 9,999
Sep 25, 2021 at 12:34 PM Post #5,080 of 9,999
Not sure which thread to post in, but I wanted to say this: how incredibly lucky are we? I am sitting here listening to my favorite music with a high-performing Chord DAC, leading to a customized Bottlehead Crack (thanks again Tom!) using an amazing 6080 tube and equally amazing 6SN7, all of this leading to a ZMF Verite Open and I can't imagine the music sounding any better from a feelings perspective.

Enjoy!
 
Sep 25, 2021 at 2:03 PM Post #5,081 of 9,999
@Paladin79 what is your opinion on Soviet paper-in-oil caps?
I have not used them for a while but I have had good luck with some types. Whenever possible you want to look for Russian military surplus since they got some of the best parts.
 
Sep 25, 2021 at 2:12 PM Post #5,082 of 9,999
Not sure which thread to post in, but I wanted to say this: how incredibly lucky are we? I am sitting here listening to my favorite music with a high-performing Chord DAC, leading to a customized Bottlehead Crack (thanks again Tom!) using an amazing 6080 tube and equally amazing 6SN7, all of this leading to a ZMF Verite Open and I can't imagine the music sounding any better from a feelings perspective.

Enjoy!
The Crack can be a pretty good amp once you upgrade some parts. :ksc75smile: I have tried the Verite open and they are certainly something I would own if I did not have Focal Utopias. I design amps to match my own preferences and it is a glorious feeling to know you are listening to something you created or that you upgraded and modified.

Chord certainly rated high in a DAC test friends and I did. Our favorite overall was the Aqua La Voce S3 but it is nearly twice the price of some Chords as I recall.
 
Sep 25, 2021 at 3:24 PM Post #5,083 of 9,999
Sep 25, 2021 at 3:35 PM Post #5,084 of 9,999
That's the vacuum chamber necessary to assure all GE's really suck. :smile:
Nice! The blue background even fits your favorite color. 🤣
Cool design of a water tower, right down to the support pins…
 
Sep 25, 2021 at 3:41 PM Post #5,085 of 9,999
Nice! The blue background even fits your favorite color. 🤣
Cool design of a water tower, right down to the support pins…
:smile:

As the old bumper sticker stated: "If God is not a Tarheel, why is the sky Carolina blue?" :smile:
 

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