Recently rolled in a fresh set of tubes (matched RCA 12BZ7, Tung-Sol EL84 & Tung-Sol EL34) in my Rocket 88 and very nice improvement in sound.
Same with the Elekit preamp.......... NOS JAN Phillips tubes made a big improvement over the stock JJ tubes, which had essentially no bass.
Many people seem to like JJ tubes. My experience is that they are OK if you have nothing else, but should be replaced at the first opportunity. YMMV.
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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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