I've just bought a pair of the 852/MDs Geoff. I used to have the R952/MDs (which I often wish I'd never sold) and always wondered how these sounded.
In a word, superb. Just very balanced and not hot or spitty at all on top as some say the metal domes are. Not uber detailed, which suits me as I find that distracting from the overall musical message. Sealed box too which I prefer.
All in all a very happy camper.
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