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In Reply to: RE: Seems like the Setdude just won't abide! posted by mrmmmus@yahoo.com on February 21, 2014 at 15:11:41
Good luck chasing rainbows. A 6V6 amp is not going to give you SS bass no matter what tube you use.
Follow Ups:
nt
You have a nice 6V6 amp. What speakers are you driving? I know -0- about 6U8 tubes.
way up high in the expenditure department I have found two input tubes in the 5670 and 6u8a category I like a whold lot. You are very correct that you just have to hear for yourself. Took me at least 6 to 8 or so tubes before I could (maybe settle). I'll get into the 6u8a discussion if you need some info on this subject, Setdude, I'm using the only acoustic suspension speaker without a metal dome tweeter that could go below 50 that I could fine without building my own. Those days are over for now. It's the Cambridge Soundworks Model 6. Very good for what it is. Will be much better after I spend $2000 to find the holy grail of 6v6. Tweaker
this one is easy: I have done the same study on 6v6s as the gentleman above on 12au7....
and the verdict is 5992 by Bendix, buy a significant margin...
With RCA 6v6gty.... not too far behind....
with GE and Sylvania at the bottom
and Raytheon CBS brimar in the middle....
the surprise is of course Tungsol Reissue neck and neck , but perhaps a hair behind the RCA.....
CHINESE not in the same league strange....ok
-3db
I wish it was. Other peoples opinions are often way off from what I like or perceive. The 5992 is to rich for my blood. Some say the RCAs are great for guitar but have muddy bass. I find the TSRI, while extreamely clear, fast, focused it is imho very bass shy, low midrange shy, and thus with out sonority, shall we say , soul. There have been a number of reports on the great bass of 3 different 7408 models... Easy It would be easy if I had them all to test. Tweaker
FWIW.....................................
There is a crossover mod for the CSW model 6 speaker, in the October 2001 issue of Audioxpress Magazine.
The word is, that it is a GOOD upgrade.
The bad news is.....it will VOID your warranty.
Tubeguy1954 posted this:
About six years ago I purchased an integrated SET amp that used 12AU7s for preamp section. Obviously I wanted the "BEST" 12AU7 I could get for this amp. I wasn't that knowledgable at that time on the 12AU7 family, as I am now, so I asked the same question you just did, i.e., " What's the best 12AU7 tube?" As you can imagine I got the usual response buy: Amperex, Mullard, Telefunken, Siemens or Valvo.
Not knowing better, I quickly tried these different suggested tubes. However much to my surprise I wasn't satisfied with what I heard. I soon realized it was my ears I had to make happy, not anyone elses. To that end I set off to try almost every variation of the 12AU7 tube I could find: (12AU7A, 12AU7WA, 5814, 5814A, 5963, 6067, 6189, 6680, 6CC40, 7489, 7730, CK5814, CV491, ECC82, E82CC, ECC802, ECC802S and M8136) Not only did I try all these different variations, I tried as many different manufactuer's versions of these variations as well by: (Amperex, Brimar, Cifte, Electro Harmonics, GE, Mazda, Mullard, Phillips, RCA, RFT, RT, Siemens, Sylvania, Telefunken, Tesla, Tungsram & Tungsol) Nor did I stop there, because I was looking for the very best, I also tried every different color (black, gray and chrome/silver/nickel) and type of plate (both long/short/box/ribbed etc)
What I discovered was this. The tubes so many other people cited as being "THE BEST" simply weren't when used in my amp! I found it was actually the Mazda 6189/E82CC/12AU7WA "chrome plate" that sounded the best ---in my amp. It was much better than the highly touted Siemans "chrome-plate" or the much loved Amperex "bugle boys" or any Mullard I could find, yes even the 10M. The Mazda's were followed quite closely by the East German RFT 12AU7 yellow letter "mickey mouse ears." These two tubes blew all the other 12AU7's away when used in my amp , period.
What I'm getting at is the ONLY people who might actually honestly be able to help you would be:
1) people who own your amp --they know what the different tubes sound like in that amp.
2) people who listen to music you listen to --if you listen to New Age and another listens to Heavy Metal you're probably looking for different sonic qualities in a tube and every other component.
3) people who listen for what you listen for in music --even if you listen to the same music if one person focuses on soundstaging and you focus on PRaT, you might prefer different tubes.
Basically, you'll need to discover for yourself what's "THE BEST" 12AU7-type tube for you, in your amp, when you're listening to the music you love. Trust me on this, NO TUBE sounds the same in every amp. That may not help a lot but at least it's honest...
I'll add that the rare = expensive tubes are not always the best sounding in yours or my system. You have to experiment and sometimes a run of the mill tube can be the 'silver bullet'.
Just substitute 6V6 for 12AU7. I hope it helps.
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