Thanks Ian,
The plan is to make (Geoff has volunteered his expertise) a 5mm thick SME sized plate with the four mounting screws to bolt directly to the plinth. On the underside of the plate, the screws for bolting the arm to the plate (Linn collar type) will be counter sunk and thus, flush with the plate. So plate to plinth, arm to plate type of thing. Luckily as Geoff has a Linn arm and a Toshiba TT he has the necessary components to do a fine job.
It should be pretty straightforward in theory lol
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