The MP-1 from Atma-Sphere uses 6 X 6SN7 Tubes.
What made you change to a 6SN7 preamp?
If you made an intentional shift toward a 6SN7-based tube preamp, what sonic characteristics motivated your move?
I have been doing some comparisons and think I have some reasons I like the 6SN7 better, but there are so many factors which could be at play, that I'm not sure what is responsible.
Rather than list my details for others to analyze, I'd rather hear your answer to the basic question.
Tell me about your path toward a 6SN7 preamp?
What did you change from and why?
Even if, overall, the change was worth it, did you lose anything in the transition? What?
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6DJ8s were not designed for audio and have trouble with microphonics. I find it far easier to find a low microphonic 6SN7. Microphonics tend to add an iridescence to the sound that is distortion, so despite the nice linearity of the 6DJ8 I learned to stay away from them. |
@phantom_av That's four less than my MP-1. Wonder why. |
The MP-1 uses 6 6SN7s and 8 12AT7s. After having microphonic issues with some 6SN7s I got lucky and got all excellent, quiet NOS Sylvania 6SN7s and great Mil spec 12AT7s for the phono stage. The improvement in SQ was dramatic and huge. Brent Jesse and other tube suppliers do not have what private horders have. If you can, find a horder.
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I upgraded from a Cary SLP 90 (12AU7) to a Cray SLP 05 (6SN7) because 1) it was high time for a preamp upgrade, and 2) because Cary had one on their preowned page & I thought that the price was right. I still don't think I have enough ear time into it to understand the pros and the cons I am also still running with the Electro Harmonix tubes that came with it, and I have no doubt that those need to be upgraded, but there is so much out there I am overwhelmed with choices (so I have still done nothing)..
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- 65 posts total