I have used my Decca on a few arms and IMHO it sounds best on a damped unipivot. It's currently on a Kuzma Stogi S arm, but also sounded great on my Hadcock. It worked pretty well on my Jelco with damping fluid, not so well on a Technoarm. I suspect Deccas won't be an ideal match for your Syrinx. I had the Hadcock combination on a STD 305M (very similar to a Linn) and it was a good combination