Serge - nothing I read there makes me think they are making their own tubes. Am guessing they are "testing, selecting, & branding" their tubes either at the factory in China or over here.
That said, based on all the positive reviews, I rolled in a pair of their clear-glass 6SN7s in the WA6 and immediate expansion of the sound stage and better detail & clarity compared to the reissue Tung-Sol they replaced. Have a 274B inbound, as well.
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Glenn...
Canton Reference 9 Clearaudio SM Pro Focal Bathys JLA 10" Dominion Kuzma Stabi S w/MC & MM Magnepan 1,7i McIntosh MA8950 & MR88 Oppo 203 Roon Nucleus Rose Hifi RS150B Shunyata Gemini-4 Sony ST-A6B, TA-F6B, ST-J75 & PS-X75 Sorane SA1.2 & TA-1L Stillpoints LP1v2 WW Pt, Au & Ag
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