I don't own, but do listen to a MH 1200S regularly on a very well known and experienced in use audio system.
The Tonearm is on a Standalone Mounting Pod, used with a SP10 R.
Cart's experienced to date on the 1200S, are Miyajima and Ortofon, off which the Miyajima has made the most substantial of impressions.
I myself am very wed to the Ortofon Family - Jubilee - Kontrapunkt / Windfeld - Cadenza Cart's and the Voicing of them.
I also can say the 1200S is a very liberated Tonearm, it gets out of the way, and creates in use, very little perception, if any, as having an influence on the sonic being produced, the voicing of the Cart' mounted does seem to be able to fully manifest.
Some who read this Post, will be of the view, I have not heard the Arm at its best, due to the mounting method. I have not detected anything to suggest the used of a Standalone Pod creates a contaminated signal/distortion that is audible.
As somebody who has discovered how certain Tonearm Designs/Geometries are able to influence the sonic being produced.
Especially, an influence in relation to the perception of the Tonearm being constraining to the function of the Cart'. When this perception of constraining is sensed, especially by myself, the discernable presence, has evolved into becoming a repellent and an unwanted detractor.
A Tonearm is now fortunately discovered and adopted for use, which has allowed myself to move away from the unwanted perception of constraining a Cart' in its voicing.
The Tonearm I am using now, has not been compared side by side to the 1200S, but the 1200S does deliver without creating the perception that the Cart's in use are constrained. My familiarity with the Ortofon Cart's on different Tonearms has proved beneficial in my being able to discern where difference are to be discovered and help with my coming to this conclusion.
There is also a interference fit removable Headshell, which connects with a much improved interface and tolerance for tightness of fit, than a typical Bayonet Design.
Even though a little pricey, the Headshell will enable Cart' exchanges when pre mounted onto a Headshell, to occur with little concerns and quite to be speedily completed.
I have also been demo'd a Phasemation EA 350 Phonostage with the Glanz in use with the Miyajima and that was a very memorable encounter.