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In Reply to: RE: I've read many times that 6SN7's are "big tone" tubes, but........ posted by Rick W on October 29, 2014 at 10:03:56
It's all in the implementation of the tube in the circuit as to what it sounds like. Design it right and it will perform well, screw up the design and bad sound is the result. Why more manufacturers don't use the 6SN7 is their choice.
Manufacturers that do use it - Cary, Rogue, Atmasphere, myself, to name a few.
BTW - 6SN7 does not have enough gain for a phono stage. It's cousin the 6SL7 should be used.
Dan Santoni
Follow Ups:
The Mystere ca21 preamp uses that tube and it does have big tone.this is an outstanding piece
nt
Read some of the comments on this site There area few reviews out there as well. Or just let your ears be your guide.
I've only had two 6SN7 based preamplifiers in my system, one from Cary and one from Rogue. Both were sub $2k units and both had great midrange tone but were rolled off at either end of the frequency range and were muddy sounding. I've heard much better preamplifiers in that price range using small signal tubes of various types. I also heard more expensive 6SN7 units from these manufacturers in friends' showroom that were better but didn't really impress me. This all was several years ago however.
This doesn't mean, of course, that a better designed, probably more expensive 6SN7 unit would have these drawbacks. In particular, I'd like to hear Rogue's 99 Super Magnum pre that my friend Paul Mah owns and reviewed in Stereo Times.
Sounded pretty good, but IIRC I wouldn't say the tone/timbre was better than old CJ pre's like mine or the pv11/12 that use 12AX/AU7's.
Dunno what *Super* means, the one I heard was just Magnum.
I liked several of the CJ pre's I've owned and heard a lot. They did have great tone and a refinement beyond most other units I've heard. I probably shouldn't have sold the Premier 17LS I had.
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