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RE: Question about matching tubes between phono pre-amp & headphone amp

Posted by peresmeshnik (A) on February 19, 2017 at 18:50:42

In Reply to: Question about matching tubes between phono pre-amp & headphone amp posted by peresmeshnik on February 17, 2017 at 19:40:58:

Thanks very much to all who responded to my post. Glad to know that mixing tubes across pre-amps should be fine.

Yes, dirtyvinyl, I, too, would be interested in hearing a critique of the traditional presumption about matched tubes, so please do post a message to that effect if / when you recall where you read it. I'm still only just begun to *try* to explore the physics of vacuum tubes, but from what I've read and seen online, there does seem to be a consensus about the importance of "matching" tubes.

So if I understand your post, Interstage Tranny, it sounds like the different tube types might actually be better (although I don't know, technically speaking, why that may be). And *thanks* kindly for your detailed suggestions about tube choices. Thus far I've been relying on the stock tubes in both the Bellari and the Schiit Mjolnir, but I already ordered a Russian "Groove tube" for the Bellari and a pair of Russian 6N23P-EV NOS tubes for the Mjolnir. All were fairly inexpensive ($20 for the Groove tube, $30 each for the two 6N23P-EV), but hopefully they will begin to give me an idea of sonic differences across tube brands. In any case, I will be sure eventually to try some of the other tubes in that price range which you suggested (Telefunken, Sovtek etc.). As you noted (wisely, I'm sure), I think I first need to see if I can even discern any significant improvements from one brand to another. My ears are not young and may have already deteriorated to the point where difference among tubes may not be as perceptible as they should. That said, thus far I'm *really* enjoying the sounds coming out of this Schitt Mjolnir hybrid headphone amp, and, of course, I would like to get the best sounds out of it that are financially feasible...

Thanks again, and I will definitely follow up if & when I have some post-worthy observations about the new tubes in my (sonic) life.

This post is made possible by the generous support of people like you and our sponsors:

Schiit Audio

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