Hmmm... I didn't bother with the GN8S's on my Freya as I "assumed" that Schiit offered the Tung Sols and an "upgrade" because they sounded better? Anyway, it took them (Tung Sol 6N7's) a LONG time to break in (burn in) but they are sounding nice now. I may have to try those coin base Sylvania 6N7's! Thanks for the info.
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