Believe the MR75, like the MX115, has an ALPS sourced front-end (rather than McIntosh). Like you, I found the SQ of same to be the least involving of the McIntosh tuners I've owned. The MR80 that T. DeWick went thru was the best, but I've always wondered about the MR74, which I've read is the best for SQ.
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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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