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In Reply to: RE: What about the Type 3? posted by Fullrun on July 07, 2012 at 09:43:44
Okay, I better understand what you're trying to do. The Siemens 6922 and CCa from the 60's are excellent tubes. They tick all the audiophile approved boxes of resolution, an even frequency response and throw a really good soundstage.
I have a mixed set of 4 Siemens 6922 CCa and a pair of Siemens 6922s in my preamp currently and they are really excellent. Everyone's taste is different, however, and I always ultimately find them a little soul-less, for lack of a better way of putting it. But that's just to me, naturally.
My sonic biases always seem to lead me back to Lorenz, Amperex and Telefunken.
Hope you find the right ones for you.
Joe
Follow Ups:
Have you heard much difference between the Siemens 6922 and the CCa's?
Yes, I wish there was a tube library similar to the Cable Co, where you could say send me a pair of Seimens, Amperex and Telefunken.. and I will let you know which ones I would like to order :) That would be awesome... especially at the going prices.
Another member, really likes the Telefunken E1888CC, then the vintage Siemenens... but you're talking equivalent CCa prices or more. Or the Amperex 6922 PQ, pinched.
I particularly want to avoid a tube that warms or clouds the system. My preamp which was custom modified uses 27s... so there's a lot of soul going on. Thanks for your input... really appreciate it.
In music as in life... one is always on the learning curve
Unfortunately, as helpful as some kind of lending library like the Cable Company has except for tubes would be, it's just not practical.My c-j Premier 16LS2 preamp runs on three tubes per channel and I've never heard the Siemens CCa and 6922s separately so I can't really comment on how different they sound. The preamp is designed to basically combine the tubes for each channel into one composite triode.
If I had to guess, and it's just that, I'd say that similar vintages of both sound pretty much the same. The CCa's are supposed to be selected for low noise, but I don't know if that in reality translates into a quieter and more resolving sound. Maybe, maybe not.
I do have a pinched waist Amperex 6922 I've used as the input tube for my Premier 140 amp and IMO that is a very special tube in that application. They're also very expensive.
I have and like TFK 6DJ8s and 7DJ8s. They're just a small amount less resolving in my opinion than the Siemens 6922s and with just a touch more warmth and musicality. My taste runs toward a slightly warmer sound and that's why I really like the Amperex house sound, as well.
The most neutral tube I've heard that seems to combine the resolution of the Siemens with just that touch of TFK warmth is the 60's vintage Lorenz 7DJ8. I've never heard the 6DJ8 variant but in my limited experience and in my preamp, the 6DJ8s and 7DJ8s of the same vintage sound basically the same to me.
The Lorenz 6DJ8 family members from that time period seem to be really difficult to find, however.
Hope this helps some.
Joe
Edits: 07/07/12
I basically don't want the tube to alter the tone of my system which is highly musical and engaging... just open it up more... give the playback more dimension, detail and air... but not to color it - if I am making myself clear. Otherwords, I'm not looking for a tube that would bring additional warmth to what I already have.
But, that's always hard to second guess... because so much is determined by the synergy of all the parts.
Alex
In music as in life... one is always on the learning curve
It does help, Joe... You/ve been very generous with your experience and knowledge... And it very appreciated.
Alex
In music as in life... one is always on the learning curve
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