Dear Richard: +++++ " Is it true that one must have a really superior table to bring out all the virtues of a great cartridge? " +++++
It is true for any audio device not only the TT: tonearm, phonopreamp, cables, plataform, set-up, etc, etc. Btw, the phonopreamp do a dramatic/huge difference in the quality cartridge sound reproduction.
let me put the next stage:
in one side: the Helikon with the Sequel and in the other side the Titan with the Volvere.
Which one combination can give you a better quality sound reproduction?
I have no doubt that the Titan/Volvere is really better than the other one.
The issue here is that the Volvere is a very good entry level TT and that's why ( in your case ) in my opinion the cartridge will give you " more ".
Now, when you alredy have the Titan and with that performance level I'm sure that you will want to grow-up to the Sequel and you couild have a subtle but important improvement there, of course you could migrate to the Acutus and that improvement could be better yet.
Regards and enjoy the music.
Raul.