I have never heard a Triplanar so let's just get that out of the way before someone jumps all over my arse for speculating. I don't know where the silicone is used in the Triplanar but perhaps this helps compatibility with the Denons (besides it's world class construction and flexibility).
It appears folks get decent enough sound from a Rega but I would never recommend a Rega for the Denon 103/103R. Just not a good match imho and given the vast selection of other cartridges out there, adding headshell mass and weight to the counterweight seems like a dog chasing it's tail. Sounds like one can get quite acceptable sound from this setup though.
It appears folks get decent enough sound from a Rega but I would never recommend a Rega for the Denon 103/103R. Just not a good match imho and given the vast selection of other cartridges out there, adding headshell mass and weight to the counterweight seems like a dog chasing it's tail. Sounds like one can get quite acceptable sound from this setup though.