Mad money for T5's, they're as rough as a badger's backside - and yes, I do have a set (the identical Sony equivalents in fact).
Since it's so cheap to adapt your existing phono stage, this is a no-brainer I think. The Troika isn't too fussy on loading I remember (unlike a Denon I think), so a generic 100 ohm plus setting may well be fine (I think the Naim K boards were 470 ohms from memory and possibly added a little extra capacitance too, although I can't remember now).
Tear down these walls; Cut the ties that held me
Crying out at the top of my voice; Tell me now if you can hear me