Aïe, Aïe, Aïe, RIAA’s…
Between the cheap Chineses, the expensive ones, the not so convenient and those who should but don’t and on top of that the dark shadow of the “not that audiophile” ones that may ruin the rendering of your expensive MMC. It’s a real nightmare. When you add the grounding problems and even worse, the need to board it in the cabinet.
That said I don’t understand why nobody recreated the B&O RIAA preamp the was optional with some Beograms: Wasn’t it made of common components?